| Author | Titles | | 1.
| Ryle, Matthew D. | 1 | | 2.
| Ryman, Robert, 1930- | 4 | | 3.
| Ryman, Will, 1969- | 1 | | 4.
| Rynck, Patrick de, 1963- | 1 | | 5.
| Rynearson, Paul F. | 1 | | 6.
| Ryner, Han | 1 | | 7.
| Ryngaert, Jean-Pierre | 1 | | 8.
| Rypson, Piotr, 1956- | 3 | | 9.
| Ryskamp, Charles | 6 | | 10.
| Ryszkiewicz, Andrezej | 2 |
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