Authors: State by State (sorted by popularity)
- Adams, John 1735-1826 503 downloads
- Washington, George 1732-1799 501 downloads
- United States. Army. Corps of Engineers. Manhattan District - 493 downloads
- United States. Army. Signal Corps - 462 downloads
- United States. Office of Chief of Counsel for the Prosecution of Axis Criminality - 462 downloads
- Geological Survey (U.S.) - 449 downloads
- Girl Scouts of the United States of America - 437 downloads
- United States. War Department. General Staff - 405 downloads
- United States. Federal Bureau of Investigation - 399 downloads
- Cleveland, Grover 1837-1908 386 downloads
- Illinois State Geological Survey - 384 downloads
- United States Food Administration - 378 downloads
- United States. Congress - 332 downloads
- United States. Army. American Expeditionary Forces - 329 downloads
- United States. Agricultural Research Service. Human Nutrition Research Division - 300 downloads
- United States. National Park Service. Division of Publications - 277 downloads
- United States Rubber Company - 274 downloads
- Harrison, Benjamin 1833-1901 273 downloads
- United States. Constitutional Convention (1787) - 267 downloads
- United States. Bureau of Animal Industry - 246 downloads
- United States. Agricultural Research Service. Consumer and Food Economics Research Division - 242 downloads
- Federal Writers' Project of the Works Progress Administration for the State of North Dakota - 242 downloads
- Coolidge, Calvin 1872-1933 232 downloads
- United States. Council of National Defense. Highways Transport Committee - 220 downloads
- United States. Congress. House. Committee on Science and Astronautics. - 216 downloads