• Saves staff time in answering reference questions.
• Provides more than one access point per map.
• Increases use of maps.
• Helps in resource sharing with other libraries.
• Makes it easier to create bibliographies.
• Helps with circulation and inventory control.
• Aids in preservation-rifling through uncataloged maps wreaks havoc on them.

Andrew, Paige G. Cataloging Sheet Maps: the Basics . New York: Haworth Information Press, 2003.

Anglo-American Cataloging Rules. Michael Gorman and Paul Winkler, eds. 2nd. ed. rev. Chicago: American Library Association, 1988. (2002 revision with 2005 updates)

Cartographic Materials: a Manual of Interpretation for AACR2, 2002 revision. Prepared by the Anglo-American Cataloguing Committee for Cartographic Materials, Elizabeth U. Mangan, editor. 2 nd ed. Chicago: American Library Association, 2003.

Larsgaard, Mary L. Map Librarianship: An Introduction . 3rd ed. Englewood, Colorado: Libraries Unlimited, 1998.

Larsgaard, Mary L. and Katherine L. Rankin. "Helpful Hints for Small Map Collections." Public Libraries. 35:173-179, 1996.

Library of Congress. Geography and Map Division. Map Cataloging Manual . Washington , D.C.: The Division, 1991.

Library of Congress Classification: Class G, Geography, Maps, Anthropology, Recreation . 4th ed. Washington , D.C.: Issued by Library of Congress, Processing Department, Subject Cataloging Division, 1976, combined with revisions published in L.C.-Additions and Changes, Lists No. 183 (July-Sept., 1976) to present.

Mangan, Elizabeth Unger. MARC Conversion Manual-Maps . Washington , D.C.: Library of Congress, 1984.

Map cataloging columns in journals of map librarian organizations such as the Information Bulletin of the Western Association of Map Libraries (WAML) and Base Line of the Map and Geography Round Table (MAGERT) of the American Library Association

Maps and Related Cartographic Materials: Cataloging, Classification, and Bilbiographic Control. Paige G. Amdrew, Mary Lynette Larsgaard, eds. New York: Haworth Information Press, 1999. Co-published simultaneously as Cataloging & Classification Quarterly , v. 27, nos. 1-2 and 3-4, 1999.

MAPS-L, the listserv (electronic discussion group) for map librarians. This is a good place to ask map cataloging questions.

Wood, Alberta Auringer and James C. Coombs. Index to the Library of Congress "G" Schedule: A Map and Atlas Classification Aid . MAGERT Circular no. 2. Chicago , Ill.: Map and Geography Round Table of the American Library Association, 1996.