Authors: United States.
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- Roosevelt, Franklin D. (Franklin Delano) 1882-1945 3027 downloads
- Adams, John 1735-1826 2751 downloads
- United States. National Aeronautics and Space Administration - 2743 downloads
- Harrison, Benjamin 1833-1901 2504 downloads
- Coolidge, Calvin 1872-1933 2216 downloads
- United States. Bureau of the Census - 2107 downloads
- Girl Scouts of the United States of America - 2102 downloads
- United States. Agricultural Research Service. Human Nutrition Research Division - 2051 downloads
- United States. National Conservation Congress - 1822 downloads
- Kennedy, John F. (John Fitzgerald) 1917-1963 1815 downloads
- United States. Council of National Defense. Highways Transport Committee - 1811 downloads
- McKinley, William 1843-1901 1790 downloads
- United States. War Department. General Staff - 1770 downloads
- United States. Federal Bureau of Investigation - 1686 downloads
- United States. Agricultural Research Service. Consumer and Food Economics Research Division - 1665 downloads
- Federal Writers' Project of the Works Progress Administration for the State of North Dakota - 1660 downloads
- United States. Army. Corps of Engineers. Manhattan District - 1600 downloads
- United States. Department of the Army. Office of Military History - 1477 downloads
- United States. National Park Service. Division of Publications - 1445 downloads
- United States. Constitutional Convention (1787) - 1427 downloads
- United States. Public Health Service - 1406 downloads
- Geological Survey (U.S.) - 1394 downloads
- United States. Congress. House. Committee on Un-American Activities - 1333 downloads
- United States. Army. Signal Corps - 1238 downloads
- Taft, William H. (William Howard) 1857-1930 1156 downloads