| # | Nachname | Vorname | Bücher |
|---|---|---|---|
| 6541. | Ormay | Imre | 2 |
| 6542. | Orphal | Christina | 3 |
| 6543. | Orphal | Alfred | 1 |
| 6544. | Ortner | Helmut | 1 |
| 6545. | Ortoli | J. B. Frederic | 1 |
| 6546. | Orwell | George | 3 |
| 6547. | Os | Henk van | 1 |
| 6548. | Oschlies | Renate | 1 |
| 6549. | Ossietzky | Maud v. | 1 |
| 6550. | Ossipow | Nikolai; Hrsg. | 1 |
| 6551. | Ostarhild | Friedrich | 1 |
| 6552. | Osterhammel | Jürgen | 1 |
| 6553. | Ostermai | Oskar ( Tögel,Hermann; Neuberg, A.); Hrs | 1 |
| 6554. | Ostrogorski | Wladimir | 1 |
| 6555. | Ostrovsky | Victor | 1 |
| 6556. | Ostrowskaja | Raissa | 1 |
| 6557. | Ostrowski | Nikolai | 2 |
| 6558. | Ostwald | Hans Hrsg. (Zille, Heinrich) | 1 |
| 6559. | Ostwald | Hans / Sagert, Ina | 1 |
| 6560. | Ostwald | Hans | 1 |