The Library's U.S. Government Documents collection is arranged using the SuDoc system, where publications are grouped together by issuing agency.
Below are some prefixes for the major federal issuing agencies.
Prefix |
Federal Agency |
A |
Agriculture Department |
C3. |
Census Bureau (Commerce Department) |
D |
Defense Department |
E |
Energy Department |
ED |
Education Department |
EP |
Environmental Protection Agency |
GA |
General Accountability Office |
GS |
General Services Administration |
HE |
Health and Human Services Department |
I |
Interior Department |
I 19. |
U.S. Geological Survey (Interior Department) |
J |
Justice Department |
JU |
Judiciary |
L |
Labor Department |
LC |
Library of Congress |
NAS |
National Aeronautics and Space Administration |
S |
State Department |
SI |
Smithsonian Institution |
T 22. |
Internal Revenue Service (Treasury Department) |
X, Y |
Congress |
Y4. |
Congressional Committees |
For more information on the SuDoc classification system visit the FDLP Web Site.
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