This is an index of the web sites included in the 1999-2016 annual lists issued by the Best Free Reference Web Sites Committee of the ETS: Emerging Technologies Section of the Reference and User Services Association (RUSA) of ALA to recognize outstanding reference sites on the World Wide Web.

Some of the web sites from the original list were removed to retain only those which are beneficial to the DLSU Dasmariñas academic community.


A | B | C | D | E | F | G | H | I | J | L | M | N | O | P | R | S | V | W |

A (
STANDS4 LLC holds hundreds of thousands of entries organized by a large variety of categories from computing and the Web to governmental, medicine and business and it is maintained and expanded by a large community of passionate editors. Read more about our awards and press coverage.
Reviewed: MARS Best 2010

Ad*Access (
Duke University Libraries

The Ad*Access Project, funded by the Duke Endowment "Library 2000" Fund, presents images and information for over 7,000 advertisements printed in U.S. and Canadian newspapers and magazines between 1911 and 1955. Ad*Access concentrates on five main subject areas: Radio, Television, Transportation, Beauty and Hygiene, and World War II, providing a coherent view of a number of major campaigns and companies through images preserved in one particular advertising collection available at Duke University. The advertisements are from the J. Walter Thompson Company Competitive Advertisements Collection of the John W. Hartman Center for Sales, Advertising & Marketing History in Duke University's David M. Rubenstein Rare Book & Manuscript Library.
Reviewed: MARS Best 2010

AdViews: A Digital Archive of Vintage Television Commercials,  (
Duke University Libraries

The AdViews digital collection provides access to thousands of historic commercials created for clients or acquired by the D'Arcy Masius Benton & Bowles (DMB&B) advertising agency or its predecessor during the 1950s - 1980s. All of the commercials held in the DMB&B Archives will be digitized, allowing students and researchers access to a wide range of vintage brand advertising from the first four decades of mainstream commercial television.
AdViews is a collaborative project between the Digital Collections Program and the Hartman Center for Sales, Advertising & Marketing History, as well as a number of other groups, at Duke University.
Reviewed: MARS Best 2010

AF: Acronym Finder (
Mountain Data Systems, LLC

With more than 1,000,000 human-edited definitions, Acronym Finder is the world's largest and most comprehensive dictionary of acronyms, abbreviations, and initialisms. Combined with the Acronym Attic, Acronym Finder contains more than 5 million acronyms and abbreviations.
Reviewed: MARS Best 2006

AFI Catalog of Feature Films (
American Film Institute (AFI)

The AFI Catalog of Feature Films is a comprehensive chronicle of the first century of American cinema.
Reviewed: MARS Best 2015

All Recipes (

The food portal is the largest community of active, engaged online home cooks in the world. With more than 40,000 recipes provides cooks with tools and advice to teach everything from how to stock a pantry to how to make a marinade.
Reviewed: MARS Best 2005

American Rhetoric (
Michael E. Eidenmuller

200+ short audio and video clips illustrating stylistic figures of speech ranging from alliteration to synecdoche.
>Reviewed: MARS Best 2006 ( (a division of IR Solutions) is the most complete and up-to-date listing of annual Reports online.
Reviewed: ETS Best 2016

Art & Architecture Thesaurus (
Paul Getty Trust

Learn about the purpose, scope and structure of the AAT. The AAT is an evolving vocabulary, growing and changing thanks to contributions from Getty projects and other institutions. Find out more about the AAT's contributors.
>Reviewed: MARS Best 2006

Art UK (
Public Catalogue Foundation

Art UK is the online home for every public art collection in the UK.
Reviewed: ETS Best 2016

Art Project (

Google Arts & Culture is an online platform of high-resolution images and videos of artworks and cultural artifacts from partner cultural organizations throughout the world.
Reviewed: ETS Best 2012

Artcyclopedia: the Fine Art Search Engine (
John Malyon, Artcyclopedia, Inc.
The Artcyclopedia is an index of online museums and image archives: find where the works of over 8000 different fine artists can be viewed online.
Reviewed: MARS Best 2001

The Association of Religion Data Archives (
Association of Religion Data Archives, Department of Sociology, Pennsylvania State University
The Association of Religion Data Archives (ARDA) strives to democratize access to the best data on religion. Founded as the American Religion Data Archive in 1997 and going online in 1998, the initial archive was targeted at researchers interested in American religion. The targeted audience and the data collection have both greatly expanded since 1998, now including American and international collections and developing features for educators, journalists, religious congregations, and researchers.

Reviewed: MARS Best 2010


BAMONA: Butterflies and Moths of North America (
BAMONA, Montana State University

The Butterflies and Moths of North America (BAMONA) project is an ambitious effort to collect and provide access to quality-controlled data about butterflies and moths for the continent of North America from Panama to Canada.
Reviewed: MARS Best 2011

Best Commencement Speeches, Ever (

Reviewed: ETS Best 2016

Best of History Web Sites (
Best of History Web Sites, created by  EdTechTeacher, is an award-winning portal that contains annotated links to over 1200 history web sites as well as links to hundreds of quality K-12 history lesson plans, history teacher guides, history activities, history games, history quizzes, and more.
Thomas Daacord, with Sumita Chakraborty
Reviewed: MARS Best 2003

The Big Cartoon Database (
This database is the Oldest and Largest DataBase of TV Series Episode Guides, Cast and Crew Information, Animated Film Lists with Online Pictures and Videos. It has the largest compilation of animated film information in one place Dave Koch, The Big Cartoon Database (
Reviewed: MARS Best 2006

Big Charts (
A service of, Inc.
BigCharts is the world's most comprehensive and easy-to-use investment research Web site, providing access to professional-level research tools such as interactive charts, quotes, industry analysis and intraday stock screeners, as well as market news and commentary. These tools combine with a graphical interface and our intuitive navigation to make your research experience productive, entertaining and fun. Best of all, BigCharts is a free service supported entirely by site sponsors.
Reviewed: MARS Best 2000

Biodiversity Heritage Library (
Biodiversity Heritage Library (BHL), a consortium of 12 natural history and botanical libraries The Biodiversity Heritage Library improves research methodology by collaboratively making biodiversity literature openly available to the world as part of a global biodiversity community.
Reviewed: MARS Best 2011 (
A&E Television Networks
Every life has a story. captures the most gripping, surprising and fascinating stories about people. The last fateful day. The decision that changed everything. The moment of cheating death. The biggest break. The defining opportunity. The most shattering failure. The unexpected connection. With biographies and daily features that highlight newsworthy, compelling and surprising points-of-view, we are the digital source for true stories about people that matter.
Reviewed: MARS Best 2002 (, Inc.
Just like its printed version, the Encyclopædia Britannica online is a search and directory site featuring its printed counterpart the Encyclopædia Britannica. This site includes graphics, audio and video files right at your fingertips. It also includes the Web's best sites, news, magazines and more.
Reviewed: MARS Best 2000

Business & Human Rights Resource Centre (
Business & Human Rights Resource Centre
The Business and Human Rights Resource Centre maintains a list of companies which have a human rights policy in place
Reviewed: MARS Best 2009


Calendars through the Ages (
Institute for Dynamic Educational Advancement (IDEA) by WebExhibits.

Calendars Through the Ages is one of several exhibits in the WebExhibits online museum, all of which promote discovery through multidisciplinary approaches that support all learning styles. WebExhibits is a public service of the Institute for Dynamic Educational Advancement (IDEA).
Reviewed: MARS Best 2002

Cancer Statistics Center (
American Cancer Society

The Cancer Statistics Center website is a comprehensive interactive resource for learning about the cancer burden in the United States.
Reviewed: ETS Best 2016

Catholic Online Saints & Angels (
Catholic Online Internet Services.

World's Catholic Library. Find saints, prayers, bible, daily readings, catholic news and everything Catholic.
Reviewed MARS Best 2000.

Centers For Disease Control and Prevention (
U.S. Dept. of Health and Human Services. Centers for Disease Control and Prevention.

Reviewed: MARS Best 2002.

CEO Express (
CEO Express Company. is designed to be the best executive assistant imaginable, providing a tool that users would have created themselves if they had the time. CEOExpress filters and organizes the content executives need, while adding features that make their lives even more streamlined and efficient.
Reviewed: MARS Best 2001.

Child Care and Early Education Research (
Child Care and Early Childhood Research Connections

Child Care and Early Education Research Connections (Research Connections) is an online library of research relevant to the work of child care and early education (CCEE) policymakers, consultants, professionals supporting the CCEE workforce, and researchers.
Reviewed: MARS Best 2008. (
United States Department of Agriculture

Reviewed: MARS Best 2013.

Chronicling America: Historic American Newspapers (
Library of Congress

Reviewed: MARS Best 2019.

CI: Corporate Information (
George Matthew Regnery (Winthrop Corporation)/distributed by Wright Investor's Service. The company research reports contained in are produced on over 39,000 companies from 85 countries. Wright Investors’ has researched and analyzed company information since the inception of the firm in 1960. Wright's proprietary analysis tools, developed over several decades, include a Quality Rating system that is applied (when there is sufficient information available) to each company contained in CorporateInformation. The value-added reports also include extensive explanatory footnotes to help interpret company results.

Reviewed: MARS Best 2000.

CitationFox APA (
CitationFox MLA  (
University at Albany, State University of New York

Reviewed: MARS Best 2012. (
CNET, Inc.

CNET tells you what's new in tech, culture and science, why it matters, how it works and what you need. Our global team works 24/7 to explore and explain the changing world around us. You can depend on CNET for news, commentary, analysis, features, FAQs, advice, hands-on reviews, buying guides, amazing photography and fun and informative videos.
Reviewed: MARS Best 2010. (
Cable News Network.

Cable News Network. CNN Digital is the world leader in online news and information and seeks to inform, engage and empower the world. Staffed 24 hours, seven days a week by a dedicated team in CNN bureaus around the world, CNN's digital platforms deliver news from almost 4,000 journalists in every corner of the globe.
Reviewed: MARS Best 2000.

Codecademy (

Codecademy is an American online interactive platform that offers free coding classes in 12 different  programming languages, including  phyton,  (pandas-Python library,  Beautiful Soup-Python Library), JavaGoJavaScript, ( jQuery,  AngularJS,  React.js),  Ruby), ( Ruby on Rails-Ruby framework),  SQL,,  C++,  C#,  Swift, and  Sass, as well as  markup languagesc,  HTML and  CSS.
Reviewed: MARS Best 2013.

Common Sense Media (
Cable News Network.

Common Sense Media, Inc
Common Sense Media rates movies, TV shows, books, and more so parents can feel good about the entertainment choices they make for their kids. We offer the largest, most trusted library of independent age-based ratings and reviews.
Reviewed: MARS Best 2012.

Cooking Light (
Cooking Light Magazine

Includes approximately 100 original recipes as well as editorial content covering food trends, fitness tips, and other culinary and health-related news.
Reviewed: MARS Best 2008.

Copyright Tools (
American Library Association, Office for Information Technology Policy Copyright tools can help libraries and others to be more comfortable with their work to interpret the limitations and exceptions to the exclusive rights granted to the copyright holder under U.S. Copyright law. By exercising these valuable exceptions, we strengthen copyright’s primary purpose "to promote the progress of science and useful arts."

Reviewed: MARS Best 2015

CORE - COnnecting REpositories (
Knowledge Media Institute

The world’s largest collection of open access research papers
Reviewed: ETS Best 2016

Country Studies/Area Handbook (
Federal Research Division, Library of Congress.

Contains the electronic versions of 80 books previously published in hard copy as part of the Country Studies Series by the Federal Research Division. Intended for a general audience, books in the series present a description and analysis of the historical setting and the social, economic, political, and national security systems and institutions of select countries throughout the world. Most books in the series deal with a single foreign country, but a few cover several countries or a geographic region. The series includes several books on countries that no longer exist in their original configuration—such as Czechoslovakia, East Germany, the Soviet Union, Sudan, and Yugoslavia. These books remain in the series because they continue to offer valuable historical information and perspective. In some cases, studies on successor states are also part of the series.
Reviewed: MARS Best 1999.

Crime Statistics (
Federal Bureau of Investigation

The Uniform Crime Reporting (UCR) Program generates reliable statistics for use in law enforcement. It also provides information for students of criminal justice, researchers, the media, and the public. The program has been providing crime statistics since 1930.
Reviewed: MARS Best 2015.


Discovery School (
Discovery Education

Discovery Education inspires educators to go beyond traditional learning with award-winning digital content and professional development.
Reviewed: MARS Best 2008

DOAB: Directory of Open Access Books ( (
OAPEN Foundation

DOAB is a community-driven discovery service that indexes and provides access to scholarly, peer-reviewed open access books and helps users to find trusted open access book publishers. All DOAB services are free of charge and all data is freely available.
Reviewed: MARS Best 2013

DOAJ: Directory of Open Access Journals (
Lund University Libraries.

The DOAJ (Directory of Open Access Journals) was launched in 2003 with 300 open access journals. Today, this independent database contains over 16 500 peer-reviewed open access journals covering all areas of science, technology, medicine, social sciences, arts and humanities. Open access journals from all countries and in all languages are welcome to apply for inclusion.
Reviewed: MARS Best 2005 (
CNET Networks, Inc. is the place where people go to discover free-to-try legal downloads.
Reviewed: MARS Best 2005


Earthtrends: the Environmental Information Portal (
World Resources Institute

WRI is a global research organization that works with governments, businesses, multilateral institutions and civil society groups to develop practical solutions that improve people’s lives and protect nature. We organize our work around seven global challenges: Food, Forests, Water, Energy, Climate, the Ocean and Cities.
Reviewed: MARS Best 2004

Education Research Information Center (ERIC) (
Institute of Education Sciences/U.S. Department of Education

ERIC is a comprehensive, easy-to-use, searchable, Internet-based bibliographic and full-text database of education research and information.
Reviewed: MARS Best 2008

Encyclopedia of Chicago (
The Chicago Historical Society, The Newberry Library and Northwestern University

Reviewed: MARS Best 2006

Encyclopedia of Earth (
Encyclopedia of Earth

The EoE is still a free, expert-reviewed collection of content contributed by scholar/professionals who collaborate and review each other's work.
Reviewed: MARS Best 2012

Encyclopedia of Life (
Encyclopedia of Life

Our knowledge of the many life-forms on Earth - of animals, plants, fungi, protists and bacteria - is scattered around the world in books, journals, databases, websites, specimen collections, and in the minds of people everywhere. Imagine what it would mean if this information could be gathered together and made available to everyone – anywhere – at a moment’s notice. This dream is becoming a reality through the Encyclopedia of Life.
Reviewed: MARS Best 2012

Epicurious (

Epicurious is an American digital brand that focuses on food and cooking-related topics. Since 1995, Epicurious has been the ultimate food resource for the home cook, with daily kitchen tips, fun cooking videos, and, oh yeah, over 33000 recipes.
Reviewed: MARS Best 2004

Eric Weisstein's World of Science: A Wolfram Web Resource (
Eric W. Weisstein. Wolfram Research.

Eric Weisstein's World of Science is written and maintained by the author as a public service for scientific knowledge and education. Although it is often difficult to find explanations for technical subjects that are both clear and accessible, this web site bridges the gap by placing an interlinked framework of mathematical exposition and illustrative examples at the fingertips of every internet user.
Reviewed: MARS Best 2004

F   (
Gale Group and LookSmart

FINDARTICLES is a CBS Interactive portal that lets you find articles about any topic, by searching in our network of news and technology sites.
Reviewed: MARS Best 2002

Fodor's (

With over 700 local writers and vacation experts offering the definitive, insider guide on what to do and see in over 8,000 worldwide destinations, we dive even deeper with recommendations on food & drink, luxury & budget, arts & culture, hotels & lodging, cruises & transport, and every tip, trick, hack, and deal you could ever dream up.
Reviewed: MARS Best 2008

Forvo: All the words in the world. Pronounced (
Forvo Media SL, from San Sebastián (Spain)

Forvo is the largest pronunciation guide in the world, the place where you'll find millions of words and phrases pronounced in their original languages.
Reviewed: MARS Best 2012

Free Medical Journals (

The Free Medical Journals Site was created to promote the free availability of full text medical journals on the Internet.
Reviewed: MARS Best 2002


Goodreads (
Goodreads, Inc.

Goodreads is the world’s largest site for readers and book recommendations. Goodreads mission is to help people find and share books they love.
Reviewed: ETS Best 2016

Google Maps  (

Google Maps is a web mapping platform and consumer application offered by Google. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, air and public transportation.
Reviewed: MARS Best 2009

Google News (

Google News is a personalized news aggregator that organizes and highlights what's happening in the world so you can discover more about the stories that matter to you.
Reviewed: MARS Best 2003

Google Translate (|es|)

Google Translate is a multilingual neural machine translation service developed by Google, to translate text, documents and websites from one language into another.
Reviewed: MARS Best 2011

Great Buildings Online (
Artifice, Inc.

This gateway to architecture around the world and across history documents a thousand buildings and hundreds of leading architects, selected over ten years by the editors of ArchitectureWeek, with photographic images and architectural drawings, integrated maps and timelines, 3D building models, commentaries, bibliographies, web links, and more, for famous designers and structures of all kinds.
Reviewed: MARS Best 2000


Hathi Trust Digital Library (
Hathi Trust

Founded in 2008, HathiTrust is a not-for-profit collaborative of academic and research libraries preserving 17+ million digitized items. HathiTrust offers reading access to the fullest extent allowable by U.S. copyright law, computational access to the entire corpus for scholarly research, and other emerging services based on the combined collection. HathiTrust members steward the collection — the largest set of digitized books managed by academic and research libraries — under the aims of scholarly, not corporate, interests.
Reviewed: MARS Best 2010

HIVinfo (
U.S. Dept. of Health and Human Services offers access to the latest, federally approved HIV/AIDS medical practice guidelines, HIV treatment and prevention clinical trials, and other research information for health care providers, researchers, people affected by HIV/AIDS, and the general public.
Reviewed: MARS Best 2003

How Products are Made (
Thomson Gale

How Products Are Made explains and details the manufacturing process of a wide variety of products, from daily household items to complicated electronic equipment and heavy machinery. The site provides step by step descriptions of the assembly and the manufacturing process (complemented with illustrations and diagrams) Each product also has related information such as the background, how the item works, who invented the product, raw materials that were used, product applications, by-products that are generated, possible future developments, quality control procedures, etc. Read more:
Reviewed: MARS Best 2006

How Stuff Works (
BYG Publishing, Inc.

HowStuffWorks got its start in 1998 at a college professor's kitchen table. From there, we quickly grew into an award-winning source of unbiased, reliable, easy-to-understand answers and explanations of how the world actually works. Today, our writers, editors, podcasters and video hosts share all the things we're most excited to learn about with nearly 30 million visitors to the site each month.
Reviewed: MARS Best 1999


Index of Economic Freedom (
The Heritage Foundation in partnership with the Wall Street Journal

For twenty-seven years the Index has delivered thoughtful analysis in a clear, friendly, and straight-forward format. With new resources for users and a website tailored for research and education, the Index of Economic Freedom is poised to help readers track over two decades of the advancement in economic freedom, prosperity, and opportunity and promote these ideas in their homes, schools, and communities.
Reviewed: MARS Best 2015

Information Please (
Information Please LLC.

Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with statistics, facts, and historical records.
Reviewed: MARS Best 1999

The Internet Archive (
The Internet Archive with Prelinger Archives.

Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more.
Reviewed: MARS Best 2002

Internet Broadway Database (
League of American Theaters and Producers, Inc.

IBDB (Internet Broadway Database) archive is the official database for Broadway theatre information. IBDB provides records of productions from the beginnings of New York theatre until today.
Reviewed: MARS Best 2002

Internet Encyclopedia of Philosophy IEP (
James Fieser and Bradley Dowden

The Internet Encyclopedia of Philosophy (IEP) (ISSN 2161-0002) was founded in 1995 to provide open access to detailed, scholarly, peer-reviewed information on key topics and philosophers in all areas of philosophy.
Reviewed: MARS Best 2008
;ETS Best 2016

Internet History Sourcebooks Project (
Paul Halsall, Fordham University.

The Internet History Sourcebooks Project, a collection of public domain and copy-permitted historical texts presented cleanly (without advertising or excessive layout) for educational use. Primary sources are available here primarily for use in high-school and university/college courses. From the outset the site took a very broad view of the sources that should be available to students and as well as documents long associated with a "western civilization" approach to history also provides much information on Byzantine, Islamic, Jewish, Indian, East Asian, and African history. You will also find many documents especially relevant to women's history and LGBT studies.
Reviewed: MARS Best 2002

Internet Public Library (
Internet Public Library

Explore IPL's repository of 500,000+ essays across thousands of topics to help you finish your homework.
Reviewed: MARS Best 1999

iTools (

iTools helps you use the power of the Internet by giving you a clean interface to make use of many of the best tools of the Web.
Reviewed: MARS Best 2002

The IUCN Red List of Threatened Species (
International Union for Conservation of Nature and Natural Resources

International Union for Conservation of Nature and Natural Resources The IUCN Red List is a critical indicator of the health of the world’s biodiversity. Far more than a list of species and their status, it is a powerful tool to inform and catalyse action for biodiversity conservation and policy change, critical to protecting the natural resources we need to survive. It provides information about range, population size, habitat and ecology, use and/or trade, threats, and conservation actions that will help inform necessary conservation decisions.
Reviewed: MARS Best 2011


Journalist’s Resource (
Joan Shorenstein Center on the Press, Politics and Public Policy-Harvard University

The Journalist’s Resource examines public policy news topics through a research lens — and research through a journalistic lens. In clear, simple language, we provide journalists with a way to get up to speed on academic studies about complex problems and their potential solutions. Its mission is to inform the news by bridging the communications gap between academia and journalism. Its goal: to get more high-quality research into the media stream.
Reviewed: MARS Best 2013

JournalTOCs (
School of Mathematical and Computer Science, Heriot-Watt University, Edinburgh, UK JournalTOCs is the largest, free collection of scholarly journal Tables of Contents (TOCs): 35,269 journals including 17,739 selected Open Access journals and 12,062 Hybrid journals, from 3621 publishers. JournalTOCs is for researchers, students, librarians and anyone looking for the latest scholarly articles.JournalTOCs alerts you when new issues of your Followed journals are published.

Reviewed: MARS Best 2016


Lexicool  (
The site is run by an international team of linguists and IT specialists based in France, headed by Sebastian Abbo.

Lexicool offers a directory of "all" the online bilingual and multilingual dictionaries and glossaries freely available on the Internet. It is a resource intended for translators, linguists, language students and all those interested in foreign languages.
Reviewed: MARS Best 2009

LibriVox (

LibriVox Objective is to make all books in the public domain available, narrated by real people and distributed for free, in audio format on the internet.
Reviewed: MARS Best 2013

LIFE photo archive hosted by Google (

Search millions of photographs from the LIFE photo archive, stretching from the 1750s to today. Most were never published and are now available for the first time through the joint work of LIFE and Google.
Reviewed: MARS Best 2010


Media History Digital Library (
Media History Digital Library

A free online resource, featuring millions of pages of books and magazines from the histories of film, broadcasting, and recorded sound.
Reviewed: MARS Best 2013

The Merck Manual Home Edition (
Merck & Company, Inc.

First published in 1899 as a small reference book for physicians and pharmacists, the Manual grew in size and scope to become one of the most widely used comprehensive medical resources for professionals and consumers. As the Manual evolved, it continually expanded the reach and depth of its offerings to reflect the mission of providing the best medical information of the day to a wide cross-section of users, including medical professionals and students, veterinarians and veterinary students, and consumers.
Reviewed: MARS Best 2002

MIT OpenCourseWare (
Massachusettes Institute of Technology

MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.
Reviewed: MARS Best 2012

Movie Review Query Engine (
Stewart M. Clamen. – the Movie Review Query Engine, founded in 1993 by Stewart M. Clamen, is the Internet’s largest database of movie reviews for over 100,000 titles. The continually growing site provides a searchable index of all published and available reviews, news, interviews, and other materials associated with specific movies. The unique combination of reviews, news, and user discussion—all accessed through MRQE’s search portal—allows any user to read and add to the Internet’s most comprehensive collection of opinion about film. is commonly abbreviated as MRQE and pronounced "marquee."
Reviewed: MARS Best 2003


NYPL Digital Collections (
The New York Public Library

Provides access to over 700,000 images digitized from primary sources and printed rarities in the collections of The New York Public Library, including illuminated manuscripts, historical maps, vintage posters, rare prints and photographs, illustrated books, printed ephemera, and more.
Reviewed: ETS Best 2016


OneLook Dictionaries (
Bob Ware, Study Technologies

OneLook is a search engine that aggregates word definitions from over 1,000 dictionaries. There is also a reverse dictionary search function, in which you can enter keywords to describe a concept, and get back a list of words and phrases related to that concept.
Reviewed: MARS Best 2000

The Online Books Page (
John Mark Ockerbloom, University of Pennsylvania

The Online Books Page is a website that facilitates access to books that are freely readable over the Internet. It also aims to encourage the development of such online books, for the benefit and edification of all.
Reviewed: MARS Best 2003 (
Robert Fogt

Convert just about anything to anything else. Thousands of units, and millions of conversions. Reviewed: MARS Best 2009

Open Culture: The Best Free Cultural & Educational Media on the Web (
Open Culture

Open Culture brings together high-quality cultural & educational media for the worldwide lifelong learning community. Web 2.0 has given us great amounts of intelligent audio and video. It’s all free. It’s all enriching. But it’s also scattered across the web, and not easy to find. Open Culture’s whole mission is to centralize this content, curate it, and give access to high quality content whenever and wherever its readers wants it.
Reviewed: MARS Best 2015

Open Library (
Internet Archive

The ultimate goal of the Open Library is to make all the published works of humankind available to everyone in the world. While large in scope and ambition, this goal is within our grasp. Achieving it will require the participation of librarians, authors, government officials and technologists.
Reviewed: MARS Best 2011


Papal Encyclicals Online (
Papal Encyclicals Online

Reviewed: MARS Best 2005

Practical Money Skills – Financial Literacy for Everyone (

Practical Money Skills program strives to link consumers, educators, banks and governments to the tools and resources they need, helping individuals and communities develop their money management skills.Visa
Reviewed: MARS Best 2014

PubChem (
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health

PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.
Reviewed: MARS Best 2009

Public Library of Science (
Public Library of Science

PLOS is a nonprofit, Open Access publisher empowering researchers to accelerate progress in science and medicine by leading a transformation in research communication.
Reviewed: MARS Best 2011

PubMed (
National Library of Medicine.

PubMed® comprises more than 33 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
Reviewed: MARS Best 2005

Purdue Online Writing Lab (OWL) (
The Online Writing Lab, English Department, Purdue University

The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue. Students, members of the community, and users worldwide will find information to assist with many writing projects. Teachers and trainers may use this material for in-class and out-of-class instruction.
Reviewed: MARS Best 2009

R - A Free Online Encyclopedia & Information Reference (, LLC.

Reference is a digital publisher dedicated to answering the questions of students and lifelong learners.
Reviewed: ETS Best 2016


SAH Archipedia: Classic Buildings  (
Society of Architectural Historians and the University of Virginia Press

SAH Archipedia is an authoritative online encyclopedia of the U.S. built environment organized by the Society of Architectural Historians and the University of Virginia Press. It contains histories, photographs, and maps for over 20,000 structures and places.
Reviewed: ETS Best 2013

Science Daily Magazine (Science Daily Magazine (
Dan Hogan, Editor

ScienceDaily features breaking news about the latest discoveries in science, health, the environment, technology, and more -- from leading universities, scientific journals, and research organizations.
Reviewed: MARS Best 2004

SkyscraperPage (Science Daily Magazine (

SkyscraperPage is a website on tall buildings and major structures. Founded in 1997 by Dylan Leblanc, SkyscraperPage became the world's largest database on skyscraper diagrams.
Reviewed: MARS Best 2006

Smithsonian Institution (
Smithsonian Institution

The Smithsonian Institution is the world’s largest museum, education, and research complex, with 19 museums and the National Zoo—shaping the future by preserving heritage, discovering new knowledge, and sharing our resources with the world. Date Reviewed: 3/17/06 (edited 4/12/07)

Stanford Encyclopedia of Philosophy (
Metaphysics Research Lab, CSLI, Stanford Universityn

The Stanford Encyclopedia of Philosophy organizes scholars from around the world in philosophy and related disciplines to create and maintain an up-to-date reference work.
Reviewed: MARS Best 2011


VideoLectures.NET (

VideoLectures.NET is an award-winning free and open access educational video lectures repository. The lectures are given by distinguished scholars and scientists at the most important and prominent events like conferences, summer schools, workshops and science promotional events from many fields of Science. The portal is aimed at promoting science, exchanging ideas and fostering knowledge sharing by providing high quality didactic contents not only to the scientific community but also to the general public. All lectures, accompanying documents, information and links are systematically selected and classified through the editorial process taking into account also users' comments.
Reviewed: MARS Best 2013

Visual Dictionary Online ((
QA International/Merriam-Webster

The Visual Dictionary Online is an interactive dictionary with an innovative approach. From the image to the word and its definition, the Visual Dictionary Online is an all-in-one reference. Search the themes to quickly locate words, or find the meaning of a word by viewing the image it represents. What’s more, the Visual Dictionary Online helps you learn English in a visual and accessible way. The Visual Dictionary Online is ideal for teachers, parents, translators and students of all skill levels. Explore the Visual Dictionary Online and enrich your mind. Perfect for home, school or work. Discover a visual world of information!
Reviewed: MARS Best 2013


World Bank Open Knowledge Repository  (
World Bank

The World Bank Open Knowledge Repository (OKR) is The World Bank’s official open access repository for its research outputs and knowledge products.
Reviewed: MARS Best 2008
Worlddatabank (
World Bank

DataBank is an analysis and visualisation tool that contains collections of time series data on a variety of topics. You can create your own queries; generate tables, charts, and maps; and easily save, embed, and share them.
Reviewed: MARS Best 2012

World Digital Library  (
Hosted by the Library of Congress with the Support of the United Nations Education, Scientific and Cultural Organization (UNESCO)

Launched in 2009, the World Digital Library (WDL) was a project of the U.S. Library of Congress, with the support of UNESCO, and contributions from libraries, archives, museums, educational institutions, and international organizations around the world. The WDL sought to preserve and share some of the world’s most important cultural objects, increasing access to cultural treasures and significant historical documents to enable discovery, scholarship, and use.
Reviewed: MARS Best 2010 (
Marius Kazokaitis, Vilnius, Lithuania provides links to thousands of news sources covering every world's country and many of subjects. All listed sites are in English and provide free online content.
Reviewed: MARS Best 2002

World Public Opinion (
Program on International Policy Attitudes is an international collaborative project whose aim is to give voice to public opinion around the world on international issues. As the world becomes increasingly integrated, problems have become increasingly global, pointing to a greater need for understanding between nations and for elucidating global norms. With the growth of democracy in the world, public opinion has come to play a greater role in the foreign policy process.
Reviewed: MARS Best 2014

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