Cosma Home > Communication > Knowledge > Form > General > Reference


Note: Your favorite library probably has access to Ex Libris Primo or a similar system.



General Reference, Foundations


Portal, Dictionary, Thesaurus, Glossary, Encyclopedia, Introduction, Outline, Search


Locating Fair and Balanced Sources (Internet Public Library)

These are organized by a classification scheme developed exclusively for Cosma. More…



Library of Congress Research and Reference Services
Library of Congress Reference Shelf
Library of Congress Alcove 9: An Annotated List of Reference Websites

Refdesk Reference Shelves on the Net
Refdesk Essential Reference Tools
Refdesk Quick Reference
Refdesk Indispensable Links

Wolfram Alpha

Project Gutenberg

Wikipedia’s Reference Desk
Wikipedia’s Reference Works Category
Wikipedia’s General Reference Portal


reference : something (as a sign or indication) that refers a reader or consulter to another source of information (as a book or passage) — Webster See also OneLook, Free Dictionary, Wiktionary


Roget’s II (, Merriam-Webster Thesaurus, Visuwords


Reference work A reference work is a compendium of information, usually of a specific type, compiled in a book for ease of reference.Reference work. — Wikipedia

Ready reference are reference materials used in answering reference questions that can be answered by a reference librarian in one or two minutes by providing a fact or piece of information found in a single source shelved for convenience in a separate location near the reference desk rather than in the reference stacks Reference work. — Online Dictionary for Library and Information Science



WorldCat, Library of Congress, UPenn Online Books, Open Library



Great Sites for Kids (ALA)


OER Commons: Open Educational Resources


Reference Librarian (US Occupational Outlook Handbook)


General Reference Works (David Nordloh, American Literary Scholarship)
Google Scholar




Library of Congress Research and Reference Services
Library of Congress Reference Shelf
Library of Congress Alcove 9: An Annotated List of Reference Websites




Reference Librarianship in Star Wars
Jedi Master ‘Madame’ Jocasta Nu



Latest News - Recent Updates Latest News - Recent Updates

  • Latest News: Library Offers Grants for...
    on July 23, 2021 at 6:17 pm

    The Library of Congress is offering a new series of grants to individuals and organizations working to document cultures and traditions of Black, Indigenous, and communities of color traditionally underrepresented in the United States. The Community Collections grants from the Library’s American Folklife Center will enable many to document their cultural life and experiences from their own perspectives, while enriching the Library’s holdings with diverse materials featuring creativity and […]

  • Latest News: Copyright Office Appoints Copyright...
    on July 20, 2021 at 5:19 pm

    Register of Copyrights Shira Perlmutter today announced that Librarian of Congress Carla Hayden has appointed David Carson, Monica P. McCabe and Brad Newberg as the first copyright claims officers on the newly established Copyright Claims Board.   Click here for more information.

  • New: 'A Century of Lawmaking' Now Available on...
    on July 6, 2021 at 2:26 pm

    The Library of Congress announced today that U.S. congressional records dating back to the days of printing presses and the telegraph are now easily accessible on mobile devices. With this latest update of — the official website for U.S. federal legislative information — the Library has transitioned over 33,000 bills and resolutions crafted by Congress between 1799 and 1873 (the 6th to 42nd U.S. Congresses) to a modern, user-friendly web format. The Library’s “A Century […]

  • Latest News: Joy Williams to Receive Library...
    on June 30, 2021 at 1:47 pm

    Librarian of Congress Carla Hayden announced today that the 2021 Library of Congress Prize for American Fiction will be awarded to Joy Williams, who is receiving the prize for a lifetime of outstanding work. Hayden selected Williams as this year’s winner based on nominations from more than 60 distinguished literary figures, including former winners of the prize, acclaimed authors and literary critics from around the world. The prize ceremony will take place online during the 2021 National […]

  • News: Library to Celebrate Return of Visitors in...
    on June 24, 2021 at 6:50 pm

    The Library of Congress will re-open its doors to visitors with free but limited timed and ticketed entry three days a week, starting on Thursday, July 15. Guests will be able to explore the spectacular Thomas Jefferson building and several exhibits. The Library will also host its Summer Movies on the Lawn series on Thursday nights, starting July 8 and running through Aug. 5. Click here for more information.