| Verfasser | Häufigkeit |
|---|---|
| Penney, William Roy | 3 |
| Clausen, Edgar C. | 2 |
| Penney, W. Roy | 2 |
| Beasley, O. Thomas | 1 |
| Couper, James R. | 1 |
| Dowell, Anthony | 1 |
| Drew, David | 1 |
| Kan, Michael | 1 |
| Lawrence, Ashley | 1 |
| MacMillan, Kenneth 1929-1992 | 1 |
| Mason, Monica | 1 |
| Massenet, Jules 1842-1912 | 1 |
| Peden, David | 1 |
| Penney, David W. | 1 |
| Penney, Jennifer | 1 |
| Rencher, Derek | 1 |
| Ruskin, Judith A. | 1 |
| Sieber, Roy | 1 |
| Wall, David | 1 |