| Verfasser | Häufigkeit |
|---|---|
| Sobey, Ian J. | 2 |
| Allen, Irwin | 1 |
| Bissell, Whit | 1 |
| Bruin, J. H. I. de | 1 |
| Colbert, Robert | 1 |
| Creber, William J. 1931-2019 | 1 |
| Darren, James | 1 |
| Fix, Paul 1901-1983 | 1 |
| Hoch, Winton C. | 1 |
| Martin, Sobey | 1 |
| Meriwether, Lee | 1 |
| Murray, Lyn | 1 |
| Smith, Jack Martin | 1 |
| Sobey, C. | 1 |
| Welch, William | 1 |
| Westerfield, James | 1 |
| Williams, John 1932- | 1 |
| Zaremba, John | 1 |