| Verfasser | Häufigkeit |
| Farmer, David Hugh 1923- |
20 |
| Farmer, David H. 1932- |
15 |
| Farmer, David |
14 |
| Baily, Peter J. H. 1922- |
10 |
| Farmer, David W. |
6 |
| Farmer, David R. 1938- |
5 |
| Farmer, David L. |
4 |
| Farmer, John David |
4 |
| Redfern, David |
4 |
| Skinner, Malcolm |
4 |
| Farmer, David J. |
3 |
| Farmer, David John |
3 |
| Farmer, David John 1935- |
3 |
| Farmer, Geoff |
3 |
| Stanford, Theodore B. |
3 |
| Adamson, David M. 1956- |
2 |
| Crocker, Barry |
2 |
| Farmer, Art 1928-1999 |
2 |
| Farmer, Carrie M. |
2 |
| Farmer, David M. |
2 |