| Verfasser | Häufigkeit |
| Messick, Samuel |
6 |
| Jackson, Douglas |
5 |
| Jackson, Douglas N. 1929-2004 |
5 |
| Jackson, Thomas H. |
5 |
| Baird, Douglas G. |
4 |
| Jackson, Douglas N. |
4 |
| Jackson, Douglas Northrop |
4 |
| Jackson, Glenda 1936-2023 |
4 |
| Simpson, Douglas J. |
4 |
| Stricker, Lawrence J. |
4 |
| Jackson, Sheila |
3 |
| Miller, Douglas |
3 |
| Gardner, Riley W. |
2 |
| Hanson, Charles |
2 |
| Jackson, Michael J. B. |
2 |
| Jackson, Michael J. B. 1943- |
2 |
| Jackson, William A. Douglas |
2 |
| Jackson, William Arthur Douglas |
2 |
| Meck, Barbara von |
2 |
| Messick, Samuel J. |
2 |