H.W. · Harry Westermann · Harry Westers · Harry Westrheim
| title | ISBN-13 | year of publication |
|---|---|---|
| Price Guide for Collectible Playing Cards: Advertising, Humor, Patience, Pinup, Transportation | 978-1-4134-9326-9 | 2005 |
| Price Guide for Collectible Playing Cards, Vol. 3: Non-Standard | 978-1-4134-9329-0 | 2005 |
| Price Guide for Playing Collectible Cards Vol I | 978-1-4134-9325-2 | 2005 |
| The Essential Hand & Foot | 978-1-4134-9280-4 | 2005 |