Tham khảo Lời_nguyền_Tippecanoe

  1. Ripley's Believe it or Not, 2nd Series (Simon & Schuster, 1931); an updated reference is on page 140 of the Pocket Books paperback edition of 1948
  2. The New Big Book Of U.S. Presidents By Todd Davis, Marc Frey
  3. Randi Henderson and Tom Nugent, "The Zero Curse: More than just a coincidence?" (Reprinted from the Baltimore Sun), 2 tháng 11 năm 1980, in Syracuse Herald-American, p C-3
  4. "I'm not afraid. If I knew it was going to happen, I would go ahead and be President and do the best I could, for the last day I could."
  5. Henderson and Nugent
  6. The Sunday Intelligencer (Doylestown, PA), 5 tháng 4 năm 1981, p 8

Liên quan