| Verfasser | Häufigkeit |
| Keen, Michael 1956- |
8 |
| Shaw, Marie Keen 1952- |
7 |
| McKeen, James D. |
6 |
| Smith, Heather A. |
6 |
| Keen, Martin |
5 |
| Smith, Heather 1951- |
4 |
| MacKeen, James D. |
3 |
| Safari, an O'Reilly Media Company |
3 |
| Ault, Marie |
2 |
| Chesney, Arthur |
2 |
| Edwards, Jeremy S. S. |
2 |
| Gupta, Sanjeev 1970- |
2 |
| Irwin, Ashley |
2 |
| June 1901-1985 |
2 |
| Keeler, Hali |
2 |
| Keen, Malcolm |
2 |
| Lahiri, Sajal |
2 |
| McKeen, Catherine |
2 |
| Montagu, Ivor |
2 |
| Neave, Wendy |
2 |