| Author | Titles | | 1.
| Holstein, Marie | 1 | | 2.
| Holstein, Pedro de Sousa, 1781-1850 | 0 | | 3.
| Author is: Palmela, Duque de, 1781-1850 | 3 | | 4.
| Holstein, Sousa, 1781-1850 | 0 | | 5.
| Author is: Palmela, Duque de, 1781-1850 | 3 | | 6.
| Holstein, Win van | 2 | | 7.
| Holsten, Siegmar | 3 | | 8.
| Holt, Alexia | 2 | | 9.
| Holt, Brian P. | 1 | | 10.
| Holt, Doval | 1 | | 11.
| Holt, H. F. Ten | 1 | | 12.
| Holt, Michael | 1 |
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