Authors: United States.
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- Museum of History and Technology (U.S.) - 1101 downloads
- United States. Navy Department. Bureau of Ordnance - 1090 downloads
- Army War College (U.S.) - 1059 downloads
- United States. Department of Agriculture - 1011 downloads
- Van Buren, Martin 1782-1862 990 downloads
- Eisenhower, Dwight D. (Dwight David) 1890-1969 965 downloads
- United States. Office of Civil Defense - 936 downloads
- United States Tariff Commission - 856 downloads
- United States. Congress. House. Committee on Patents - 808 downloads
- United States. Department of Commerce - 793 downloads
- United States. Forest Service - 767 downloads
- United States. Department of the Army - 705 downloads
- Harding, Warren G. (Warren Gamaliel) 1865-1923 673 downloads
- United States Rubber Company - 654 downloads
- Reagan, Ronald 1911-2004 634 downloads
- United States. Patent Office - 632 downloads
- Bush, George W. (George Walker) 1946- 604 downloads
- United States. Congress. Joint Committee on the Conduct of the War - 594 downloads
- Federal Writers' Project - 577 downloads
- Northwest Territory Celebration Commission (U.S.) - 577 downloads
- Bush, George 1924-2018 573 downloads
- United States Food Administration - 571 downloads
- National Gallery of Art (U.S.) - 563 downloads
- United States. Coast Guard - 541 downloads
- United States. Arms Control and Disarmament Agency - 532 downloads