Author
Center of Military History
49
Air Force History and Museums Program (U.S.)
30
Educational Resources Information Center (U.S.)
17
United States. National Park Service
17
Germany (Territory under Allied occupation, 1945-1955 : U.S. Zone). Office of Military Government
16
Geological Survey (U.S.)
14
Library of Congress
14
Library of Congress. Manuscript Division
14
United States. Marine Corps. History and Museums Division
14
Pennsylvania Historical and Museum Commission
12
United States. Air Force. Office of Air Force History
11
Naval Historical Center (U.S.)
10
National Library of Medicine (U.S.)
9
United States. Bureau of Education
9
United States. National Park Service. Division of Publications
9
America's Industrial Heritage Project
8
John Penman Wood Fund
8
Historic American Buildings Survey/Historic American Engineering Record
7
United States. National Archives and Records Service
7
National Defense University
6
United States. General Accounting Office. History Program
6
Center for Air Force History (U.S.)
5
Library of Congress. Center for the Book
5
Pennsylvania. General Assembly. House of Representatives
5
Simms, William Gilmore, 1806-1870
5
United States Institute of Peace
5
United States. National Archives and Records Administration
5
Air University (U.S.). Press
4
Fitzpatrick, John Clement, 1876-1940
4
Gephart, Ronald M.
4
Jensen, Kenneth M. (Kenneth Martin), 1944-
4
Nalty, Bernard C.
4
Olmsted Center for Landscape Preservation (U.S.)
4
Smithsonian Institution. Press
4
United States. Advisory Commission on Intergovernmental Relations
4
United States. Central Intelligence Agency
4
United States. Department of State
4
United States. National Oceanic and Atmospheric Administration
4
United States. Selective Service System
4
United States. War Department
4
Coates, John Boyd, Jr
3
Combat Studies Institute (U.S.)
3
Davis, Richard G.
3
Ford, Worthington Chauncey, 1858-1941
3
Gatewood, Willard B., Jr. (Willard Badgett), 1931-
3
Gillett, Mary C.
3
Hammond, William M.
3
Jamieson, Perry D.
3
Johnson, Leland R.
3
Library of Congress. Office for Subject Cataloging Policy
3
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