Former Owner
- Riddagshausen Abbey1
- Rinaldo Ridolfini1
- Robert B. Honeyman1
- Robert Benson, fl. Ca, 18th c.1
- Robert Branthwait1
- Robert Charles Winthrop1
- Robert Elyot1
- Robert Forrer1
- Robert Fyncham1
- Robert H. Sayre1
- Robert Manning Strozier Library1
- Robert Neville1
- Robert Ranshaw1
- Robert S. Pirie1
- Robert Treswell1
- Robert Villareal1
- Robert Walker1
- Robert Wheeler Willson1
- Robert Williams1
- Robert de Mol1