| Author | Titles | | 1.
| Roosevelt, Th., 1852-1919 | 1 | | 2.
| Rooster Gallery Contemporary Art (Nova Iorque, Estados Unidos) | 2 | | 3.
| Roothaan, Joanne | 2 | | 4.
| Rooyen, Johan van | 1 | | 5.
| Roozen, Pieter | 1 | | 6.
| Rop, Anton | 1 | | 7.
| Ropars Wuilleumier, Marie-Claire | 2 | | 8.
| Roper, Hugh Redwald Trevor | 1 | | 9.
| Roper, William | 1 | | 10.
| Ropero-Regidor, Diego | 1 |
|
|
