Former Owner
- Robert Charles Winthrop1
- Robert Elyot1
- Robert Forrer1
- Robert Fyncham1
- Robert H. Sayre1
- Robert Manning Strozier Library1
- Robert Neville1
- Robert Ranshaw1
- Robert S. Pirie1
- Robert Villareal1
- Robert Wheeler Willson1
- Robert de Mol1
- Robson & Kerslake1
- Roderick Terry1
- Roger Martin1
- Rolls1
- Rosamond B. Loring1
- Ross R. DeVean1
- Rowland G. Hazard1
- Rowland Hazard1