An explanation of the Superintendent of Documents classification system.

Bibliographic Details

Corporate Author:	United States. Superintendent of Documents. Depository Administration Branch
Format:	Government Document Book
Language:	English
Published:	Washington, DC : Depository Administration Branch, Library Division, Library Programs Service, U.S. G.P.O., 1990.
Edition:	Rev. 1990.
Series:	GPO publication ; 500.5
Subjects:	Superintendent of Documents Classification system.