Standard Catalog of World Coins 1601 - 1700 ( 7th ed)

Standard Catalog of World Coins 1701 - 1800 ( 7th ed)

Standard Catalog of World Coins 1801-1900 ( 8th ed)

Standard Catalog of World Coins 2001 to Date (13th Ed)

Standard Catalog of German Coins 1501-Present, 3rd Edition

Standard Catalog of World Gold Coins 1601-Present (6th Ed)

Unusual World Coins, 6th edition

Standard Catalog of World Paper Money. General Issues. 1368-1960. (16th ed)

Standard Catalog of Word Paper Money 1961-Present (25 edition)