| Author | Titles | | 1.
| Rubinstein, Raphael | 5 | | 2.
| Rubinstein, William | 1 | | 3.
| Rubio, Alfonso Rubio y | 1 | | 4.
| Rubio, Ares | 1 | | 5.
| Rubio Camin, Joaquín, 1929- | 2 | | 6.
| Rubio, Francisco | 1 | | 7.
| Rubio, G., Fray | 1 | | 8.
| Rubio Guerrero, Juan | 1 | | 9.
| Rubió i Boada, Mercè | 1 | | 10.
| Rubio Infante, Paula, 1977- | 1 |
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