Authors: unit
- United States Tariff Commission - 860 downloads
- United States. Coast Guard - 846 downloads
- United States. Navy Department. Bureau of Ordnance - 830 downloads
- Taft, William H. (William Howard) 1857-1930 794 downloads
- Jet Propulsion Laboratory (U.S.) - 753 downloads
- Federal Writers' Project - 730 downloads
- Northwest Territory Celebration Commission (U.S.) - 730 downloads
- United States. Department of Defense - 710 downloads
- United States. Department of Commerce - 698 downloads
- Army War College (U.S.) - 686 downloads
- Eisenhower, Dwight D. (Dwight David) 1890-1969 680 downloads
- Van Buren, Martin 1782-1862 675 downloads
- United States. Office of Civil Defense - 595 downloads
- Bush, George W. (George Walker) 1946- 593 downloads
- United States. Congress. House. Committee on Patents - 585 downloads
- United States. Forest Service - 567 downloads
- Harding, Warren G. (Warren Gamaliel) 1865-1923 540 downloads
- United States. Public Health and Marine Hospital Service - 501 downloads
- United States. Department of Agriculture - 498 downloads
- Reagan, Ronald 1911-2004 488 downloads
- Bush, George 1924-2018 484 downloads
- United States. Bureau of Naval Personnel - 469 downloads
- United States. Office of Education - 450 downloads
- Truman, Harry S. 1884-1972 447 downloads
- United States. Congress. Joint Committee on the Conduct of the War - 439 downloads
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