Citation style sites
- Citing sources, arranged by discipline from the Diana Hacker website, based on her book A Writer's Reference and covers APA, Chicago and MLA styles
- APA Style Guide from the University of Southern Mississippi, based on the fifth edition of the APA Publication Manual
- Guide for Writing Research Papers Based on APA style answers common questions about manuscript preparation and references and parenthetical citations; from Capital Community College
Online reference sources
- All-Acronyms.com This edited and growing website provides a convenient way to find the meaning of an acronym or abbreviation. The database includes over 211,000 searchable acronyms and 681,000 definitions. It includes some trademarks, product names, and company names. Acronyms are also grouped by categories if you wish to focus your search. Users can also type keywords in the definitions window to search for an acronym.
- Britannica.com Encyclopedia Britannica Online.
- CIA World Factbook Concise facts and statistics about countries.
- MEDLINEplus Health information from the National Library of Medicine.
- Polls & Surveys From the Roper Center for Public Opinion Research.
- Quotations Bartleby.com combines the best of both contemporary and classic quotations collections into a searchable database of over 87,000 entries, the largest of its kind ever compiled.
- USA.gov Search for government information on the U.S. Government's Official Web Portal.
Online reference collection sites
- Basic Reference Sources Online Internet Public Library list of reference sources—almanacs, dictionaries, encyclopedias, geography, address and telephone directories, etc.
- A Celebration of Women Writers Full text content of hundreds of free books on the Internet. The Celebration of Women Writers recognizes the contributions of women writers throughout history. Database of links is edited by Mary Mark Ockerbloom, Univ. of Pennsylvania. Covers: novels, poems, letters, biographies, travel books, religious commentaries, histories, economic and scientific works. Search by author name, category (like essays or children's books), date range of author, country, and ethnicity. There is no search by words in the title available. Some book texts are in foreign languages. Updated monthly.
- Online Books Page Full text content of over 30,000 English language books on the Internet. Online Books Page was founded, and is edited, by John Mark Ockerbloom, at the Univ. of Pennsylvania. The website aims to encourage the development of such books, for the benefit and edification of all. Among the criteria John uses: Is the text legitimately available at no charge? Is it the full text of a significant book in English? Is it a stable, well-formatted text in a standard format? It also provides links to collections of books in languages other than English. Search by author or title, or both. ("The", "A", and "An" should be omitted). Updated weekly.
- Online Reference Collection from SUNY at Albany Academic and General information sites, sorted by category
- Virtual Reference Shelf Selected web resources compiled by the Library of Congress