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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

  • New: Latest Season of 'America Works' Podcast...
    on April 15, 2021 at 2:58 pm

    The American Folklife Center at the Library of Congress is bringing more workers’ voices from around the country to listeners with the second season of “America Works,” a podcast series celebrating the diversity, resilience and creativity of the American workforce during a time of economic challenge and transition. The season's first episode features Sarah Fortin, a fish net maker in New Bedford, Massachusetts. The episode is now available on Apple Podcasts, Stitcher and at […]

  • Latest News: 2020 Selections to the National...
    on March 24, 2021 at 12:27 pm

    Librarian of Congress Carla Hayden today named 25 recordings as audio treasures worthy of preservation for all time based on their cultural, historical or aesthetic importance in the nation’s recorded sound heritage. Janet Jackson’s clarion call for action and healing in “Rhythm Nation 1814” now joins other groundbreaking sounds of history and culture among the latest titles inducted into the National Recording Registry of the Library of Congress, including Louis Armstrong’s “When […]

  • New: Library Debuts Video Series for 2021 Cherry...
    on March 23, 2021 at 2:18 pm

    The Library of Congress celebrates the 2021 National Cherry Blossom Festival by debuting a new video series that highlights both historic and contemporary traditions of springtime flower viewing.  Developed to support the festival’s 2021 efforts to “blossom safely,” the four-to-five-minute videos can be enjoyed by viewers everywhere during the festival March 20-April 12 and beyond through the Library's YouTube site and on the Library of Congress website. Click here for more […]

  • News and Events: Literary Series Programs for...
    on March 18, 2021 at 2:17 pm

    The Library of Congress continues its series of diverse literary events with two-time Pulitzer winner Colson Whitehead; Oscar-winning actor Lupita Nyong’o; a celebration of the world-renowned comic book artist, writer, editor and DC Comics publisher Jim Lee for Asian-Pacific American Heritage Month; and a three-part feature on “the talk” – the conversation parents have with their children about race. All programs will be virtual and available on the Library’s website […]

  • Celebrating Women's History Month
    on March 15, 2021 at 11:29 am

    News from the Library of Congress Celebrating Women's History Month Friends, March is Women’s History Month and a wonderful opportunity to shine a light on the achievements and contributions of women in this country. Commemorating the significant role of women is also an important opportunity to inspire girls and young women to build their potential and achieve their dreams. We continue to celebrate many ground-breaking firsts for women, and it is an honor to be included in that […]