| Author | Titles | | 1.
| Rynearson, Paul F. | 1 | | 2.
| Ryner, Han | 1 | | 3.
| Ryngaert, Jean-Pierre | 1 | | 4.
| Rypson, Piotr, 1956- | 3 | | 5.
| Ryskamp, Charles | 6 | | 6.
| Ryszkiewicz, Andrezej | 2 | | 7.
| Ryszkiewicz, Andrzej, | 0 | | 8.
| Author is: Ryszkiewicz, Andrezej | 2 | | 9.
| Rytka, Zygmunt, 1947- | 2 | | 10.
| Ryu Nagumo | 1 | | 11.
| Rzadek, Wieslaw | 1 |
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