Virtual Reference
- Digital Librarian
- Web directory of links, many subjects.
- Directory of Open Access Journals
- This service covers free, full text, quality controlled scientific and scholarly journals. We aim to cover all subjects and languages. 500+ journals.
- ibiblio
- Home to one of the largest "collections of collections" on the Internet, ibiblio.org is a conservancy of freely available information, including software, music, literature, art, history, science, politics, and cultural studies.
- Internet Archive
- The Internet Archive, a 501(c)(3) non-profit, is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, we provide free access to researchers, historians, scholars, and the general public.
- Library of Congress Virtual Reference Shelf
- Database of subject specific reference sources
- Lists of Lists
- The List of Lists is a database of ranked listings of companies, people and resources freely available on the Internet. The LOL is organized by subject headings based on the two-digit 1997 U.S. NAICS Codes.
- Online Medieval and Classical Library
- The Online Medieval and Classical Library (OMACL) is a collection of some of the most important literary works of Classical and Medieval civilization.
- Project Gutenburg
- Michael Hart's huge undertaking to digitize public domain texts provides access by author and by title. Information, books and other materials available to the general public in forms a vast majority of the computers, programs and people can easily read, use, quote, and search. African-American authors inlcude William Wells Brown, Frederick Douglas, W.E. B. Du Bois and Phillis Wheatley.
- Refdesk.com
- Ready reference on the 'net.
- Useful Reference Sites
- University of Texas; links to reference sites.
- Virtual Reference Desk
- University of Notre Dame virtual reference desk.