Reference

Contains bibliographic records from the U.S. Department of Agriculture’s National Agricultural Library. The citations are comprised of journal articles, book chapters, and theses.

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.

The Avalon Project will mount digital documents relevant to the fields of Law, History, Economics, Politics, Diplomacy and Government. We do not intend to mount only static text but rather to add value to the text by linking to supporting documents expressly referred to in the body of the text.

Makes federal legislative information freely available to the public.

Provides access to data about the United States, Puerto Rico and the Island Areas. The data in American FactFinder comes from several censuses and surveys.

The Encyclopedia of Earth (EoE) is an electronic reference about the Earth, its natural environments, and their interaction with society. The EoE is a free, expert-reviewed collection of content contributed by scholars, professionals, educators, practitioners and other experts who collaborate and review each other’s work.

Europeana Collections provides access to over 50 million digitised items – books, music, artworks and more – with sophisticated search and filter tools to help you find what you’re looking for.

The Vault is our new FOIA Library, containing 6,700 documents and other media that have been scanned from paper into digital copies…Included here are many new FBI files that have been released to the public but never added to this website; dozens of records previously posted on our site but removed as requests diminished; files from our previous FOIA Library, and new, previously unreleased files.

IMDb is the world’s most popular and authoritative source for information on movies, TV shows, and celebrities.

Merck Manuals is among the best medical reference providers in the world. However, “The information on this site is not intended to be professional advice and is not intended to replace personal consultation with a qualified physician, pharmacist, or other health care professional. The reader should not disregard medical advice or delay seeking it because of something found on this site.

OAIster is a union catalog of millions of records that represent open access resources.

Think of this web site as a search engine for words and phrases: If you have a word for which you’d like a definition, we’ll quickly shuttle you to the web-based dictionaries that define that word. If you don’t know the right word to use, we’ll help you find it.

A partnership of the American Folklore Society and the Indiana University Libraries, Open Folklore is a scholarly resource devoted to increasing the number and variety of open access resources, published and unpublished, that are available for the field of folklore studies and the communities with whom folklore scholars partner.

Population Reference Bureau works to improve the well-being of people everywhere by promoting informed decisions about population, health, and the environment.

PLDB is a comprehensive database of programming languages and their features. The focus is on programming languages, but the database also includes other languages and entities one degree away–from popular high level plain text formats to binary specifications and beyond.

Though it is often described as an online encyclopedia, Reference.com is actually an aggregator of reference (mostly online encyclopedias) materials operated by Ask Media Group.

Scholarpedia is a peer-reviewed open-access encyclopedia written and maintained by scholarly experts from around the world. Scholarpedia is inspired by Wikipedia and aims to complement it by providing in-depth scholarly treatment of topics within the fields of mathematics and sciences including physical, biological, behavioral, and social sciences.

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.

Superpages.com is the local expert, and a top online resource for finding information and insights on businesses and retailers. Every month we help millions of consumers find valuable local business information from driving directions and hours of operation to Web links and customer reviews.

Symbols.com is a unique online encyclopedia that contains everything about symbols, signs, flags and glyphs arranged by categories such as culture, country, religion, and more.

The World Factbook provides information on the history, people, government, economy, energy, geography, communications, transportation, military, and transnational issues for 267 world entities.