Author/Creator
- United States166
- United States. Congress. House164
- United States. Department of the Interior135
- United States. Department of the Interior. Pension Office62
- United States. Department of the Treasury55
- St. Elizabeth's Hospital (District of Columbia)48
- United States. Congress. Senate48
- United States. General Land Office47
- United States. Architect of the Capitol46
- Freedmen's Hospital (Washington, D.C.)42
- Columbia Institution for the Deaf and Dumb (1865-1911)37
- United States. Patent Office (1793-1975)35
- United States. Board of Visitors to the Government Hospital for the Insane33
- Howard University30
- United States. Department of the Interior. Office of the Superintendent of the Yellowstone National Park30
- United States. Department of the Interior. Office of the Superintendent of the Hot Springs Reservation29
- United States. Department of the Interior. Office of Indian Affairs (1849-1947)28
- United States. Department of the Interior. Office of the Superintendent of Yosemite National Park24
- United States. Department of the Interior. Office of the Superintendent of the Sequoia National Park24
- United States. Congress. House. Committee on the District of Columbia. (1808- )22