Authors: State by State (sorted by quantity of books)
- United States. Congress - 4 books
- Taft, William H. (William Howard) 1857-1930 4 books
- United States. Agricultural Research Service. Consumer and Food Economics Research Division - 4 books
- Hoover, Herbert 1874-1964 4 books
- Coolidge, Calvin 1872-1933 4 books
- Harrison, Benjamin 1833-1901 3 books
- Geological Survey (U.S.) - 3 books
- United States. Army. Corps of Engineers. Manhattan District - 3 books
- United States. Office of Chief of Counsel for the Prosecution of Axis Criminality - 3 books
- United States. Congress. House. Committee on Un-American Activities - 3 books
- Illinois State Geological Survey - 3 books
- United States. Presidents - 3 books
- Army War College (U.S.) - 3 books
- Girl Scouts of the United States of America - 3 books
- United States. National Park Service. Division of Publications - 3 books
- United States. Bureau of the Census - 3 books
- United States. Department of the Army. Office of Military History - 3 books
- Van Buren, Martin 1782-1862 2 books
- United States. Congress. House. Committee on Patents - 2 books
- United States. Bureau of Animal Industry - 2 books
- United States Rubber Company - 2 books
- United States. Department of Commerce - 2 books
- United States. National Conservation Congress - 2 books
- United States Tariff Commission - 2 books
- United States. Forest Service - 2 books