| Author | Titles | | 1.
| Rama, Samuel, 1977- | 9 | | 2.
| Ramade, Patrick | 4 | | 3.
| Ramaeckers, Anne | 1 | | 4.
| Ramael, Greet | 1 | | 5.
| Ramage | 2 | | 6.
| Ramaix, Isabelle de | 8 | | 7.
| Ramakers, Renny | 1 | | 8.
| Ramalheira, Paulo | 2 | | 9.
| Ramalhete, Bernardino Carlos Vareta 1921- | 2 | | 10.
| Ramalhete, Clovis | 2 |
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