| Autor | Títulos | | 1.
| Hartmann, Georg, 19--?- | 1 | | 2.
| Hartmann, Hans W. | 1 | | 3.
| Hartmann, Ingo | 1 | | 4.
| Hartmann, Jean | 1 | | 5.
| Hartmann, Johannes | 1 | | 6.
| Hartmann, John E. | 1 | | 7.
| Hartmann, K. D. | 1 | | 8.
| Hartmann, Markus | 1 | | 9.
| Hartmann, Michael | 1 | | 10.
| Hartmann, Nicolai, 1882-1950 | 2 |
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