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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



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