Cataloger's Desktop

The Library of Congress Cataloger's Desktop contains the most widely used cataloging documentation resources in an integrated online system. It includes the current version of the Anglo-American Cataloguing Rules (AACR2), Library of Congress rule interpretations, subject cataloguing manuals, MARC 21 formats, latest editions of all MARC code lists and more.


Access is available directly from this page by connecting to the Cataloger's Desktop website - you'll be prompted to log in to MUSE as necessary. You'll also need to log in to Cataloger's Desktop using your personal Cataloger's Desktop login. If you do not have a Cataloger's Desktop login, please contact


If you experience any difficulties in using this eResource please call the Library Help Service on extension 27200 or email