| Author | Titles | | 1.
| Roosens, Laurent, 1923- | 1 | | 2.
| Rooses, Max, 1839-1914 | 5 | | 3.
| Rooseum. Center for Contemporary Art (Malmö, Suécia) | 1 | | 4.
| Roosevelt, Th., 1852-1919 | 1 | | 5.
| Rooster Gallery Contemporary Art (Nova Iorque, Estados Unidos) | 2 | | 6.
| Roothaan, Joanne | 2 | | 7.
| Rooyen, Johan van | 1 | | 8.
| Roozen, Pieter | 1 | | 9.
| Rop, Anton | 1 | | 10.
| Ropars Wuilleumier, Marie-Claire | 2 |
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