| Verfasser | Häufigkeit |
| O'Sullivan, Michael J. |
4 |
| Carlino, D. J. |
3 |
| Colella, A. M. |
3 |
| Colella, Adrienne |
3 |
| Hitt, Michael A. 1946- |
3 |
| Miller, C. Chet |
3 |
| Carlino, Dominick J. |
1 |
| Colella, Adrienne 1961- |
1 |
| Colella, Albert M. |
1 |
| Hitt, Michael |
1 |
| Millet, Catherine |
1 |
| Safari, an O'Reilly Media Company |
1 |
| Triana, María del Carmen |
1 |