| Verfasser | Häufigkeit |
| Bradshaw, Ralph A. 1941- |
9 |
| Hart, Gerald W. |
9 |
| Stahl, P. |
8 |
| Koch, Robert Harry |
3 |
| Wood, Frank Bradshaw |
3 |
| Fielding, Joanne |
2 |
| Hocking, Darren R. |
2 |
| Johnson, R. F. |
2 |
| Sobieski, Stanley |
2 |
| Achilles, Susanne |
1 |
| Aplanalp, Richard |
1 |
| Ayers, Roy 1940- |
1 |
| Banditelli, Gloria 1954- |
1 |
| Bennett, Richard Rodney 1936-2012 |
1 |
| Bradshaw, Booker |
1 |
| Bradshaw, Booker 1941-2003 |
1 |
| Bradshaw, Carl ca. 20. Jh |
1 |
| Bradshaw, James |
1 |
| Bradshaw, John L. |
1 |
| Bradshaw, John L. 1940- |
1 |