| Verfasser | Häufigkeit |
|---|---|
| Barnes, Michael P. 1940- | 1 |
| Hjorth-Johansen, Sven | 1 |
| Johansson, Erik W. | 1 |
| Knirk, James E. 1947- | 1 |
| Lattig, Herbert E. | 1 |
| Nordby, Julius E. | 1 |
| Nordby, K. Jonas | 1 |
| Nordby, Knut | 1 |
| Page, R. I. 1924-2012 | 1 |
| Williams, Henrik 1958- | 1 |
| Wilson, David | 1 |