Authors: State by State (sorted by popularity)
- United States. Department of the Army. Office of Military History - 485 downloads
- Washington, George 1732-1799 485 downloads
- United States. Department of the Interior - 481 downloads
- Geological Survey (U.S.) - 457 downloads
- United States. Army. Corps of Engineers. Manhattan District - 450 downloads
- United States. Office of Chief of Counsel for the Prosecution of Axis Criminality - 443 downloads
- Girl Scouts of the United States of America - 426 downloads
- United States. War Department. General Staff - 421 downloads
- Cleveland, Grover 1837-1908 417 downloads
- United States. Federal Bureau of Investigation - 403 downloads
- Illinois State Geological Survey - 349 downloads
- United States. Congress - 348 downloads
- United States Food Administration - 310 downloads
- United States. Agricultural Research Service. Human Nutrition Research Division - 298 downloads
- United States. Army. American Expeditionary Forces - 283 downloads
- Harrison, Benjamin 1833-1901 278 downloads
- United States. Constitutional Convention (1787) - 275 downloads
- Federal Writers' Project of the Works Progress Administration for the State of North Dakota - 268 downloads
- United States. National Park Service. Division of Publications - 265 downloads
- United States. Agricultural Research Service. Consumer and Food Economics Research Division - 255 downloads
- United States Rubber Company - 254 downloads
- United States. Bureau of Animal Industry - 248 downloads
- Coolidge, Calvin 1872-1933 230 downloads
- United States. Council of National Defense. Highways Transport Committee - 226 downloads
- United States. Congress. House. Committee on Un-American Activities - 218 downloads