| Verfasser | Häufigkeit |
| Watters, David R. |
4 |
| Watters, Gary Z. |
4 |
| Hopkins, Arthur |
2 |
| MacWatters, Keith G. |
2 |
| MacWatters, Keith Gordon |
2 |
| Parsons, Louise |
2 |
| Steadman, David W. |
2 |
| Watters, Casey |
2 |
| Watters, Cathal ca. 20. Jh |
2 |
| Watters, Garnette |
2 |
| Watters, George Manker |
2 |
| Ahlstrom, James C. |
1 |
| Arensman, Emily |
1 |
| Barnosky, Cathy W. |
1 |
| Bassey, Shirley 1937- |
1 |
| Bonnycastle, Stephen |
1 |
| Bryan, Dora |
1 |
| Cooper, Helen A. |
1 |
| Courtis, Stuart Appleton |
1 |
| Crock, John G. |
1 |