Incoming Resources
- 2013 standard catalog of world coins, 2001 to date, George S. Cuhaj, editor ; Thomas Michael, market analyst ; Harry Miller, U.S. market analyst
- Standard catalog of world coins, 1901-2000, George S. Cuhaj, editor ; special contributors: Mahdi Bseiso, Ivan Rakitin, Joeseph Zaffern
- The official 2011 price guide to world coins, Marc Hudgeons, Tom Hudgeons, Jr. and Tom Hudgeons, Sr