| Author | Titles | | 1.
| Roeder, Günther | 1 | | 2.
| Roediger, David | 1 | | 3.
| Roedrich, Nicolas de | 1 | | 4.
| Roegiers, Patrick | 9 | | 5.
| Roehampton Institute (Londres, Grã-Bretanha) | 1 | | 6.
| Roehrig, Catharine H. | 1 | | 7.
| Roelandt, Els | 2 | | 8.
| Roelandt, Louis | 1 | | 9.
| Roelens, Nathalie | 1 | | 10.
| Röell, D. C. | 7 |
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