| Author | Titles | | 1.
| De Rosa, Elizabeth | 1 | | 2.
| De Rosa, Stefano | 3 | | 3.
| De Roux, Paul, 1937-2016 | 0 | | 4.
| Author is: Roux, Paul de, 1937-2016 | 1 | | 5.
| De Ruggiero, Roberto | 1 | | 6.
| De Ruth, Jan | 1 | | 7.
| De Salvo, Donna | 10 | | 8.
| De Sambricio, Valentin | 1 | | 9.
| De Sanctis, Annarita | 1 | | 10.
| De Sanctis, Francesco, 1817-1883 | 1 | | 11.
| De Santi, Floriano | 2 |
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