| Verfasser | Häufigkeit |
| Roth, Robert |
21 |
| Bloom, Floyd E. |
10 |
| Cooper, Jack R. |
10 |
| Roth, Robert H. |
10 |
| Richardson, Robert 1955- |
7 |
| Bellman, Richard 1920-1984 |
6 |
| Roth, Robert A. |
6 |
| Roth, Robert J. |
6 |
| Roth, Tim |
6 |
| Roth, Ann 1931- |
5 |
| Roth, Eric 1945- |
5 |
| Roth, Tim 1961- |
5 |
| Field, Sally 1946- |
4 |
| Rhys, Paul |
4 |
| Roller, Christian August Robert |
4 |
| Roth, Alfred G. 1913-2007 |
4 |
| Roth, Detlef 1969- |
4 |
| Roth, Robert S. |
4 |
| Tarantino, Quentin |
4 |
| Altman, Robert 1925-2006 |
3 |