R.R. · Robert R. · Robert R. VanRyzin · Robert V.
Krause Publications · Krause Pubns Inc
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Fascinating Facts, Mysteries and Myths About U.S. Coins | 978-1-4402-0650-4 (1-4402-0650-3) | 2009 |
| Twisted Tails: Sifted Fact Fantasy and Fiction from Us Coin History | 978-0-87341-393-0 (0-87341-393-8) | 1995 |
| U.S. Coins Close Up: Tips to Identifying Valuable Types and Varieties | 978-1-4402-2982-4 (1-4402-2982-1) | 2012 |