| Verfasser | Häufigkeit |
| Arunn Murugesu, Jason |
2 |
| Benson, Michael |
2 |
| Boatwright, Peter |
2 |
| Cagan, Jonathan |
2 |
| Ewing, William A. 1944- |
2 |
| Eyene, Christine 1970- |
2 |
| Hansom, Jim |
2 |
| Hughes, Jonathan |
2 |
| Macdonald, Patricia ca. 20./21. Jh |
2 |
| Munro, Susan |
2 |
| Smyth, Diane ca. 20./21.Jh |
2 |
| Thymann, Klaus 1974- |
2 |
| Vogel, Fritz Franz 1957- |
2 |
| O'Reilly for Higher Education (Firm) |
1 |
| Safari, an O'Reilly Media Company |
1 |
| Vogel, Craig |
1 |
| Vogel, Craig M. |
1 |