Authors: United States. (sorted by popularity)
- Taft, William H. (William Howard) 1857-1930 240 downloads
- Federal Writers' Project of the Works Progress Administration for the State of North Dakota - 230 downloads
- United States. Forest Service - 225 downloads
- United States. Foreign Operations Administration - 224 downloads
- United States. Department of Defense - 222 downloads
- United States. Congress. House. Committee on Science and Astronautics. - 219 downloads
- United States. Congress. Joint Committee on the Conduct of the War - 213 downloads
- United States. Congress. House. Committee on Un-American Activities - 209 downloads
- United States. National Conservation Congress - 209 downloads
- United States. Office of Civil Defense - 208 downloads
- United States. Bureau of Naval Personnel - 197 downloads
- United States. Department of Commerce - 197 downloads
- Federal Writers' Project - 193 downloads
- United States. Department of Agriculture - 193 downloads
- Northwest Territory Celebration Commission (U.S.) - 193 downloads
- United States. Congress. House. Committee on Patents - 188 downloads
- U.S. Army Ballistic Research Laboratory - 184 downloads
- United States Rubber Company - 174 downloads
- Reagan, Ronald 1911-2004 168 downloads
- Van Buren, Martin 1782-1862 165 downloads
- United States Tariff Commission - 157 downloads
- Ford, Gerald R. 1913-2006 139 downloads
- Jackson, Andrew 1767-1845 137 downloads
- United States. Navy Department. Bureau of Ordnance - 131 downloads
- United States. Arms Control and Disarmament Agency - 130 downloads
