Former Owner
- Robert Forrer1
- Robert Fyncham1
- Robert Garrett8
- Robert H. Sayre1
- Robert Hoe III45
- Robert Lehman1
- Robert Lyle1
- Robert Manning Strozier Library1
- Robert Neville1
- Robert Ranshaw1
- Robert Rossiter Hutton1
- Robert S. Pirie1
- Robert Stayner Holford1
- Robert Wheeler Willson1
- Robert Williams1
- Robson & Kerslake1
- Rolls1
- Rosamond B. Loring2
- Ross R. DeVean1
- Ross Winans1