| Verfasser | Häufigkeit |
| Hartmann, Martin 1851-1918 |
66 |
| Hartmann, Martin |
55 |
| Hartmann, Karl A. Martin 1854-1926 |
43 |
| Hartmann, Martin 1955- |
36 |
| Hartmann, Martin 1943-2017 |
26 |
| Hartmann, Martin 1968- |
24 |
| Funk, Rüdiger |
15 |
| Nietmann, Horst 1954- |
13 |
| Funk, Rüdiger 1955- |
12 |
| Hartmann, Igor |
10 |
| Reinl, Martin 1975- |
10 |
| Hartmann-Wendels, Thomas 1957- |
9 |
| Illouz, Eva 1961- |
9 |
| Hartmann, Karl Amadeus 1905-1963 |
8 |
| Pfingsten, Andreas |
8 |
| Weber, Martin 1952- |
8 |
| Albers, Simón 1983- |
7 |
| Hartmann, Martin W. |
6 |
| Hartmann, Christian 1964- |
5 |
| Hartmann, Martin -1693 |
5 |