| Verfasser | Häufigkeit |
|---|---|
| Alfors, John T. | 1 |
| DeBower, Kenneth | 1 |
| Kaiser, H. Fred | 1 |
| Putman, George W. | 1 |
| Putman, John C. | 1 |
| Putman, John C. 1963- | 1 |
| Putman, John W. | 1 |
| Verfasser | Häufigkeit |
|---|---|
| Alfors, John T. | 1 |
| DeBower, Kenneth | 1 |
| Kaiser, H. Fred | 1 |
| Putman, George W. | 1 |
| Putman, John C. | 1 |
| Putman, John C. 1963- | 1 |
| Putman, John W. | 1 |