| Author | Titles | | 1.
| Roccati, Giovanni Matteo | 1 | | 2.
| Rocchi, Giovanna | 3 | | 3.
| Rocchini, F. | 1 | | 4.
| Rocchini, Francesco, 1822-1895 | 1 | | 5.
| Rocella, Carlo | 1 | | 6.
| Roces, Wenceslao | 6 | | 7.
| Roch, Javier | 1 | | 8.
| Roch, Seree de | 1 | | 9.
| Rocha, A. | 1 | | 10.
| Rocha, Adolfo, 1907-1995 | 2 | | 11.
| Related author: Torga, Miguel, pseud. | 121 |
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