| Author | Titles | | 1.
| Richon, Olivier, 1956- | 4 | | 2.
| Richou, Pierre | 2 | | 3.
| Richtenberger, Eugène, 1856-1920 | 7 | | 4.
| Richter, Adrian Ludwig, 1803-1884 | 2 | | 5.
| Richter, Annett | 1 | | 6.
| Richter, Charles de | 1 | | 7.
| Richter, Claire | 1 | | 8.
| Richter, Detlev | 1 | | 9.
| Richter, Dieter | 1 | | 10.
| Richter, Dorothee | 2 |
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