Classification systems for map libraries
By: prepared by Library Branch, Aeronautical Chart and Information Center.
Contributors: Pan American Institute of Geography and History.
Publisher: The Center
Published: 1952
Place of publication: Washington, DC
Language: eng
Number of pages: 41
Notes: Includes schemes for classifying by area and by subject.

At head of title: Pan American Institute of Geography and History, VI Pan American Consultation of Cartography.

Bibliography: leaves 40-41.