| Autor | Títulos | | 1.
| Holtappel, John | 1 | | 2.
| Holten, Ragnar von | 3 | | 3.
| Holtermann, Carl Frederick | 1 | | 4.
| Holthaus, Heinz | 1 | | 5.
| Holtman, Mollie | 1 | | 6.
| Holtom, D. C. | 1 | | 7.
| Holtrop, Anne, 1977 - | 1 | | 8.
| Holtrop, Anne 1977 - | 1 | | 9.
| Holtrop, Marijke | 1 | | 10.
| Holtrop, Noura Al Sayeh | 1 |
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