| Verfasser | Häufigkeit |
|---|---|
| Naylor, Thomas H. | 4 |
| Polzer, Charles W. 1930-2003 | 4 |
| Barnes, Thomas Charles 1946- | 2 |
| Dietmann, Thomas | 2 |
| Polzer, Ernst | 2 |
| Polzer, Thomas | 2 |
| Spandau, Lutz 1957- | 2 |
| Polzer, Charles W. | 1 |
| Sheridan, Thomas E. 1951- | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Naylor, Thomas H. | 4 |
| Polzer, Charles W. 1930-2003 | 4 |
| Barnes, Thomas Charles 1946- | 2 |
| Dietmann, Thomas | 2 |
| Polzer, Ernst | 2 |
| Polzer, Thomas | 2 |
| Spandau, Lutz 1957- | 2 |
| Polzer, Charles W. | 1 |
| Sheridan, Thomas E. 1951- | 1 |