| Author | Titles | | 1.
| Richer, Paul, 1849-1933 | 5 | | 2.
| Richer, Paul Marie Louis Pierre, 1849-1933 | 0 | | 3.
| Author is: Richer, Paul, 1849-1933 | 5 | | 4.
| Richert, Gertrud, 1885-1965 | 7 | | 5.
| Richert, Gertrudis | 1 | | 6.
| Richert, Hans | 2 | | 7.
| Richet, Charles, 1850-1935 | 4 | | 8.
| Richet, Michèle | 4 | | 9.
| Richeter, Luise M. | 1 | | 10.
| Richetin, René | 1 | | 11.
| Richey, Simon | 5 |
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