- “Commemorative Coins of the United States: A Complete Encyclopedia” by Q. David Bowers
- “The Encyclopedia of United States Silver and Gold Commemorative Coins 1892-1954” by Anthony Swiatek & Walter Breen
- “The Authoritative Reference on Commemorative Coins 1892-1954” by Kevin Flynn
- “A Guide Book of United States Commemorative Coins” by Q. David Bowers