| title | ISBN-13 | year of publication |
|---|---|---|
| Conflict Resolution | 978-0-7398-7004-4 | 2003 |
| Empire of the Islamic World | 978-0-8160-5557-9 | 2004 |
| Pope Leo X: Opponent of the Reformation | 978-0-7565-1594-2 | 2006 |
| The Phonograph | 978-0-8368-5877-8 | 2005 |
R.D. · R. S. · R. Santos · Robin D. · Robin Doak · Robin S. · Robin S. Doak · S D
Compass Point Books · Facts on File · Gareth Stevens Pub · STECK-VAUGHN