| Verfasser | Häufigkeit |
|---|---|
| Duerden, Mathew D. | 3 |
| Rossman, J. Robert 1946- | 3 |
| Duerden, Brian I. | 1 |
| Duerden, Rachel S. Chamberlain | 1 |
| Duerden, Richard | 1 |
| Jewsbury, John M. | 1 |
| Pine, B. Joseph 1958- | 1 |
| Reid, Tom M. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Duerden, Mathew D. | 3 |
| Rossman, J. Robert 1946- | 3 |
| Duerden, Brian I. | 1 |
| Duerden, Rachel S. Chamberlain | 1 |
| Duerden, Richard | 1 |
| Jewsbury, John M. | 1 |
| Pine, B. Joseph 1958- | 1 |
| Reid, Tom M. | 1 |