| Verfasser | Häufigkeit |
| De Veaux, Richard D. |
7 |
| Sharpe, Norean R. |
6 |
| Velleman, Paul F. 1949- |
5 |
| Pauer-Studer, Herlinde 1953- |
2 |
| Velleman, James David 1952- |
2 |
| Velleman, Paul F. |
2 |
| Velleman, Shelley L. |
2 |
| Aris, Sarajane |
1 |
| Konhauser, Joseph D. E. |
1 |
| Lorenz, Ute |
1 |
| Neubert, Roland |
1 |
| Ollmann, Sven |
1 |
| Sandfort, Mario |
1 |
| Sharpe, Norean Radke |
1 |
| Velleman, Dan |
1 |
| Velleman, Jan 1976- |
1 |
| Velleman, Richard |
1 |
| Wagon, Stan |
1 |