Author
United States. Superintendent of Documents
1,809
United States. Department of the Army
313
Library of Congress
259
Defense Logistics Services Center (U.S.)
214
Educational Resources Information Center (U.S.)
178
Library of Congress. National Library Service for the Blind and Physically Handicapped
140
Geological Survey (U.S.)
131
United States. National Archives and Records Administration
108
United States. National Archives and Records Service
92
Library of Congress. Manuscript Division
91
United States. National Technical Information Service
72
United States. National Ocean Service
55
National Audiovisual Center
54
National Library of Medicine (U.S.)
45
National Agricultural Library (U.S.)
44
United States. Defense Logistics Agency
44
GPO MARCIVE
43
Smithsonian Institution
41
United States. Defense Mapping Agency
39
National Museum of Natural History (U.S.)
36
Library of Congress. Copyright Office
35
National Center for Health Statistics (U.S.)
33
United States. Department of Defense
33
United States. National Bureau of Standards
32
Smithsonian Institution. Press
31
National Gallery of Art (U.S.)
30
United States. Bureau of the Census
30
Library of Congress. Geography and Map Division
28
National Geophysical Data Center
27
National Institute of Justice (U.S.)
27
United States. Government Printing Office
27
DeWhitt, Benjamin L., 1941-
26
National Institute of Standards and Technology (U.S.)
26
United States. Internal Revenue Service
26
United States. National Aeronautical Charting Office
25
United States. National Aeronautics and Space Administration
25
National Criminal Justice Reference Service (U.S.)
24
United States. Congress. Senate
24
National Institutes of Health (U.S.)
23
National Portrait Gallery (Smithsonian Institution)
23
United States. Office of Educational Research and Improvement
23
Library of Congress. Cataloging Distribution Service
21
National Archives (U.S.)
21
National Collection of Fine Arts (U.S.)
21
United States. Federal Supply Service
21
United States. Work Projects Administration. Division of Community Service Programs
21
Fitzpatrick, John Clement, 1876-1940
20
National Institute for Occupational Safety and Health
20
United States. Department of Agriculture
20
United States. National Aeronautics and Space Administration. Scientific and Technical Information Program
19
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