Authors: United States.
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- United States. Public Health Service - 1332 downloads
- Geological Survey (U.S.) - 1277 downloads
- Taft, William H. (William Howard) 1857-1930 1247 downloads
- United States. Navy Department. Bureau of Ordnance - 1144 downloads
- United States Tariff Commission - 1120 downloads
- Army War College (U.S.) - 1094 downloads
- United States. Office of Civil Defense - 1052 downloads
- Eisenhower, Dwight D. (Dwight David) 1890-1969 1038 downloads
- United States Food Administration - 1032 downloads
- Van Buren, Martin 1782-1862 1002 downloads
- United States. Congress. House. Committee on Patents - 990 downloads
- United States. Department of the Army - 971 downloads
- United States. Coast Guard - 885 downloads
- United States. Department of Agriculture - 830 downloads
- United States. Department of Commerce - 801 downloads
- Harding, Warren G. (Warren Gamaliel) 1865-1923 795 downloads
- United States. Foreign Operations Administration - 738 downloads
- Federal Writers' Project - 734 downloads
- Northwest Territory Celebration Commission (U.S.) - 734 downloads
- United States. Congress. Senate. Committee on Patents - 706 downloads
- United States. Bureau of Naval Personnel - 690 downloads
- Bush, George 1924-2018 683 downloads
- United States. Forest Service - 683 downloads
- United States Rubber Company - 678 downloads
- United States. Congress. Joint Committee on the Conduct of the War - 649 downloads