| Autor | Títulos | | 1.
| Ohrtmann, Baptist | 1 | | 2.
| Ohsoling, Hilke | 1 | | 3.
| Ohta, Alison | 1 | | 4.
| Ohtake, Ricardo | 9 | | 5.
| Ohtake, Ruy, 1938-2021 | 2 | | 6.
| Ohtake, Tomie, 1913-2015 | 1 | | 7.
| Ohtani, Kumi | 1 | | 8.
| OIC Research Centre for Islamic History Art and Culture | 1 | | 9.
| Oidtmann, Heinrich | 1 | | 10.
| Oikonomides, Al. N. | 1 |
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