An explanation of the Superintendent of Documents classification system.
- Physical Description: 1 online resource (vii, 14 pages) : illustrations.
- Edition: Revised 1990.
- Publisher: Washington, DC : Depository Administration Branch, Library Division, Library Programs Service, U.S. Government Printing Office, 1990.
|General Note:|| Title from title screen (viewed June 1, 2016).
"October 1990"--PDF cover.
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|Subject:||Superintendent of Documents Classification system.
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