- Lewis Mumford Mumford
- John L. Motley
- John G. Nicolay
- John Fiske Fiske
- Jared Sparks
- James Truslow Adams
- James Rhodes James Rhodes Rhodes
- Ida Tarbell
- Henry S. Commager
- HW Van Loon
- George Bancroft
- Frederick J. Turner
- Franklin, John Hope
- Francis Parkman
- Ezra Meeker
- Edward Lee Thorndike
- Edward Eggleston
- Charles M. Andrews
- Charles Beard Beard
- Carter Woodson
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