| Verfasser | Häufigkeit |
| Lloyd, G. E. R. 1933- |
189 |
| Rosenthal, Gottfried Erich 1745-1813 |
71 |
| Rumpf, Georg Eberhard 1627-1702 |
67 |
| Rusconi, Gian Enrico 1938- |
60 |
| Rubino, Gregorio E. 1945- |
34 |
| Rizzo, Giulio E. 1865-1950 |
27 |
| Gere, Richard 1949- |
24 |
| Roger, Georges E. |
24 |
| Ruiz García, Elisa |
24 |
| Rothenberg, Gunther Erich |
18 |
| Rines, George Edwin |
17 |
| Gedye, George E. R. 1890-1970 |
16 |
| Rejda, George E. |
16 |
| Rizzo, Giulio Emanuele |
16 |
| Wiegleb, Johann Christian |
16 |
| Rischka, Gerhard Ewald 1903-2004 |
14 |
| Rosemeier, Gustav-Erich |
14 |
| Rössner, Gertrud E. 1965- |
13 |
| Gere, Richard |
11 |
| Rodríguez González, Eladio 1864-1949 |
11 |