| Verfasser | Häufigkeit |
| Summers, Robert S. 1933-2019 |
32 |
| White, James J. 1934- |
25 |
| Hillman, Robert A. 1946- |
14 |
| White, James J. |
7 |
| Speidel, Richard E. |
5 |
| Hutchinson, Peter J. ca. 20./21. Jh |
2 |
| Summers, Fiona ca. 20./21. Jh |
2 |
| Thomas, Elfyn ca. 20./21. Jh |
2 |
| Welbourne, Jessie ca. 20./21. Jh |
2 |
| Whitfield, Peter C. ca. 20./21. Jh |
2 |
| Whyte, Maggie ca. 20./21. Jh |
2 |
| Barnes, Wayne |
1 |
| Barnhizer, Daniel D. |
1 |
| Branting, Scott |
1 |
| Lehner, Joseph W. |
1 |
| Snyder, Franklin G. |
1 |
| Summers, Françoise |
1 |
| Summers, Geoffrey D. |
1 |
| Summers, James Walter |
1 |