Specifications for 16mm microfilming of library card catalogs.
Publisher: Library of Congress; [for sale by Supt. of Docs., U.S. Govt. Print. Off.]
Published: 1974
Place of publication: Washington
Language: eng
Number of pages: 10
Subjects: Catalog cards -- Reproduction -- Standards -- United States.; Microphotography -- Specifications -- United States.; Micrographics -- Standards -- United States.
Notes: Bibliography: p. 10.