Authors: unit
- Adams, John 1735-1826 2111 downloads
- Coolidge, Calvin 1872-1933 2094 downloads
- Girl Scouts of the United States of America - 1951 downloads
- United States. Army. American Expeditionary Forces - 1849 downloads
- Museum of History and Technology (U.S.) - 1811 downloads
- United States. Congress - 1771 downloads
- Washington, George 1732-1799 1754 downloads
- Kennedy, John F. (John Fitzgerald) 1917-1963 1723 downloads
- United States. Bureau of Animal Industry - 1515 downloads
- United States. Council of National Defense. Highways Transport Committee - 1502 downloads
- United States. Agricultural Research Service. Human Nutrition Research Division - 1499 downloads
- McKinley, William 1843-1901 1419 downloads
- United States. Department of the Army. Office of Military History - 1315 downloads
- United States. Bureau of the Census - 1304 downloads
- United States. Agricultural Research Service. Consumer and Food Economics Research Division - 1213 downloads
- United States. Federal Bureau of Investigation - 1188 downloads
- Geological Survey (U.S.) - 1167 downloads
- United States. Army. Corps of Engineers. Manhattan District - 1138 downloads
- United States. National Park Service. Division of Publications - 1114 downloads
- United States. Constitutional Convention (1787) - 1108 downloads
- United States. National Conservation Congress - 991 downloads
- United States. Army. Signal Corps - 955 downloads
- United States Food Administration - 873 downloads
- United States. Congress. House. Committee on Un-American Activities - 871 downloads
- United States. Public Health Service - 862 downloads
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