Museums
| Name | Country | State
  | City | Updated by | Date |
|---|---|---|---|---|---|
| Robert W. Skinner, Inc | USA | MA | Marlborough | Anonymous | 10/09/2012 |
| R. W. Norton Art Gallery | USA | LA | Shreveport | Anonymous | 09/30/2012 |
| Richmond Art Museum | USA | IN | Richmond | Anonymous | 10/02/2012 |
| Ralston Hall at the Notre Dame de Namur University | USA | CA | Belmont | Anonymous | 09/30/2012 |
| Ruth Chandler Williamson Gallery at Scripps College | USA | CA | Claremont | Anonymous | 10/02/2012 |
| Ruff, Marilyn Besse | USA | AL | Huntsville | Anonymous | 12/27/2012 |
| Reading Public Museum and Art Gallery | USA | PA | Reading | Anonymous | 02/10/2012 |
| R. R. R. Associates, High Hill | USA | NH | Farm New Durham | Anonymous | 09/30/2012 |
| Royal Library at Windsor Castle | UK | Windsor | Anonymous | 09/30/2012 | |
| Royal Northern College of Music | UK | Manchester | Anonymous | 09/30/2012 |
