C.R. · Charles A. Ruud · Charles R. · Dr. Charles Ruud
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Fontanka 16: The Tsars' Secret Police | 978-0-7735-2484-2 (0-7735-2484-3) | 1999 |
| The Constant Diplomat: Robert Ford in Moscow | 978-0-7735-3585-5 (0-7735-3585-3) | 2009 |