Current US Government Publications
The most comprehensive database of U.S. Government Publications July 1976 - current date. It is searchable by keyword, SuDoc number, or a number of other special fields, and it is updated weekly.
Older US Government Publications
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.
How to Find a U.S. Government Publication
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)