Authors: United States.
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- Harrison, Benjamin 1833-1901 3103 downloads
- Coolidge, Calvin 1872-1933 3048 downloads
- Roosevelt, Franklin D. (Franklin Delano) 1882-1945 3020 downloads
- Adams, John 1735-1826 2899 downloads
- United States. National Aeronautics and Space Administration - 2856 downloads
- Washington, George 1732-1799 2796 downloads
- Kennedy, John F. (John Fitzgerald) 1917-1963 2647 downloads
- Federal Writers' Project of the Works Progress Administration for the State of North Dakota - 2597 downloads
- Girl Scouts of the United States of America - 2482 downloads
- United States. Federal Bureau of Investigation - 2264 downloads
- McKinley, William 1843-1901 2052 downloads
- United States. Constitutional Convention (1787) - 2026 downloads
- Museum of History and Technology (U.S.) - 1943 downloads
- United States. Bureau of the Census - 1919 downloads
- United States. War Department. General Staff - 1882 downloads
- United States. Council of National Defense. Highways Transport Committee - 1828 downloads
- United States. Agricultural Research Service. Human Nutrition Research Division - 1805 downloads
- United States. Department of the Army. Office of Military History - 1695 downloads
- United States. Army. Corps of Engineers. Manhattan District - 1665 downloads
- United States. National Park Service. Division of Publications - 1589 downloads
- United States. Army. Signal Corps - 1582 downloads
- United States. Agricultural Research Service. Consumer and Food Economics Research Division - 1535 downloads
- Reagan, Ronald 1911-2004 1505 downloads
- United States. Congress. House. Committee on Un-American Activities - 1456 downloads
- Bush, George W. (George Walker) 1946- 1411 downloads