| Author | Titles | 1.
| Öhlinger, Walter | 1 | 2.
| Ohlman, Zacary | 1 | 3.
| Ohlsen, Nils | 3 | 4.
| OH!MANA (Firma de design) | 1 | 5.
| Ohmann, F. | 1 | 6.
| Ohmori, Tatsuji | 1 | 7.
| Ohnefalsch-Richter, Max, 1850-1917 | 1 | 8.
| Ohnefalsch-Richter, Max Hermann, 1850-1917 | 0 | 9.
| Author is: Ohnefalsch-Richter, Max, 1850-1917 | 1 | 10.
| Ohnet, Georges | 1 | 11.
| Öhrner, Annika | 2 |
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