- Standard Catalog of World Coins 1901-2000 (Standard Catalog of World Coins)
- Unusual World Coins: Companion Volume to Standard Catalog of World Coins (Unusual World Coins: Companion Volume to Standard Catalog of World)
- 2008 Standard Catalog of World Coins - 2001 to Date (Standard Catalog of World Coins 2001-Date)
- Standard Catalog of World Paper Money: Special Issues (Standard Catalog of World Paper Money Vol 1: Specialized Issues)
- Standard Catalog of World Paper Money: General Issues (Standard Catalog of World Paper Money, 9th ed)