Describing over 1.2 million items published between January 1895 and June 1976, the Monthly Catalog, a comprehensive index to historical information published by the United States federal government, helps you identify important and useful information on all subjects.
Federal government publications are arranged by the Superintendent of Documents (SuDoc) classification number on the third floor of the Library. Publications are grouped together by issuing agency. The example below shows how the SuDoc classification number C 61.34: 987 is constructed for the publication U.S. Industrial Outlook:
C Commerce Department (issuing agency)
61. International Trade Administration
34: Number designating the title (subordinate bureau)
This library is a congressionally designated depository for U.S. Government documents. Public access to the government documents collection is guaranteed by public law. (Title 44 United States Code)