| Verfasser | Häufigkeit |
|---|---|
| Munn, Norman L. | 20 |
| Fernald, Lloyd Dodge 1929- | 3 |
| Fernald, Peter S. | 3 |
| Munn, Norman Leslie | 3 |
| Carmichael, Leonard 1898-1973 | 2 |
| Arney, Nicholas | 1 |
| Gupta, Umesh C. | 1 |
| Lookeren Campagne, N. van | 1 |
| Munn, Pamela | 1 |
| Munn, R. E. | 1 |
| Rivire, J. W. M. la | 1 |
| Tett, Lyn | 1 |