| Autor | Títulos | | 1.
| Hadow, W. H. | 1 | | 2.
| Hadsbourg, Otto, 1912- | 1 | | 3.
| Hadzsits, George Depue | 1 | | 4.
| Haeberlin, E. J. | 2 | | 5.
| Haebler, Konrad | 3 | | 6.
| Haeburn-Litte, W. | 1 | | 7.
| Haeburn-Little, W. | 1 | | 8.
| Haecke, Frank van | 1 | | 9.
| Haeckel, Ernst, 1834-1919 | 13 | | 10.
| Haeckel, Ernst Heinrich Philip August, 1834-1919 | 0 | | 11.
| Ver: Haeckel, Ernst, 1834-1919 | 13 |
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