| Author | Titles | | 1.
| Rudolf, Karl | 1 | | 2.
| Rudolf Wittkower, 1901-1971 | 0 | | 3.
| Author is: Wittkower, Rudolf, 1901-1971 | 17 | | 4.
| Rudolfo | 1 | | 5.
| Rudolfo (nome de artista) | 1 | | 6.
| Rudolph, Conrad, 1951- | 2 | | 7.
| Rudolph, Frederick | 1 | | 8.
| Rudolph, Karen | 6 | | 9.
| Rudolph, Monika | 1 | | 10.
| Rudolph, Paul, 1918-1997 | 1 | | 11.
| Rudolph, Paul, 1918-1997 | 1 |
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