Classification. Class Z: Bibliography and library science.
Contributors: Library of Congress. Classification Division.; Gale Research Company.
Edition: 4th ed., with supplementary pages.
Publisher: [For sale by the Superintendent of Documents, U.S. Govt. Print. Off.]
Published: 1965
Place of publication: Washington
Language: eng
Number of pages: 226
Subjects: Classification -- Books -- Bibliography.; Classification -- Books -- Library science.; Classification, Library of Congress.
Notes: First ed. published in 1902 by the Classification Division of the Library of Congress.
"Additions and changes to October 1964": 61 p. at end.
Kept up to date by the Division's L.C. classification--additions and changes, and by an irregular cumulative publication issued by Gale Research Company, entitled Library of Congress classification schedules: a cumulation of additions and changes, Class Z.