- Autograph Letter Signed
- Author
- Industry
- Player
- President
- Barack Obama (2)
- Bill Clinton (2)
- Donald J. Trump (2)
- Donald Trump (3)
- Dwight D. Eisenhower (2)
- George H.w. Bush (2)
- George W. Bush (2)
- Gerald Ford (4)
- Herbert Hoover (6)
- James A. Garfield (2)
- Jimmy Carter (16)
- John F. Kennedy (6)
- Richard Nixon (11)
- Ronald Reagan (5)
- Theodore Roosevelt (2)
- Woodrow Wilson (3)
- Other (986)
- Signed By
- Andrew Wyeth (5)
- Clara Barton (11)
- Dylan Thomas (4)
- Henry Miller (7)
- Herbert Hoover (5)
- Ira Gershwin (5)
- James Buchanan (6)
- Jimmy Carter (4)
- John Burroughs (6)
- Josephine Earp (4)
- Julia Ward Howe (5)
- Marc Chagall (5)
- Michael Faraday (4)
- P.t. Barnum (10)
- Richard Nixon (4)
- Robert F. Kennedy (4)
- Ronald Reagan (7)
- Rutherford B. Hayes (4)
- Samuel L. Clemens (14)
- Sarah Bernhardt (5)
- Other (937)
- Sport