| Verfasser | Häufigkeit |
| Jacobs, F. Robert |
28 |
| Chase, Richard B. |
15 |
| Aquilano, Nicholas J. |
11 |
| Chase, Richard B. 1939- |
7 |
| Jacobs, Robert A. 1960- |
7 |
| Jacobs, Bruno 1954- |
6 |
| Rollinger, Robert 1964- |
6 |
| Jacobs, Katie |
5 |
| Jacobs, René 1946- |
5 |
| Leonard, Robert Sean |
5 |
| Jacobs, Eastman N. |
4 |
| Jacobs, Michael |
4 |
| Jacobs, Robert Nelson |
4 |
| Pinkerton, Robert M. |
4 |
| Concerto Köln (Musikgruppe) |
3 |
| Dench, Judi Dame 1934- |
3 |
| Dillon, Laurie |
3 |
| Dillon, Robert |
3 |
| Edelstein, Lisa |
3 |
| Ellis, Don 1934-1978 |
3 |