| Verfasser | Häufigkeit |
| Unruh, David R. |
3 |
| Unruh, John David |
3 |
| Kiron, David |
2 |
| O'Reilly for Higher Education (Firm) |
2 |
| Unruh, Gregory |
2 |
| Ciufo, Thomas |
1 |
| Dvorak, Abbey L. |
1 |
| Haaheim, Bryan Kip 1955- |
1 |
| Hurst, Jennifer |
1 |
| IONE |
1 |
| Leu, Grace Shih-en |
1 |
| Miller, Leaf |
1 |
| Mizumura-Pence, Ray |
1 |
| Oddy, Nicola |
1 |
| Posner, Bruce |
1 |
| Stewart, Jesse 1974- |
1 |
| Sullivan, John |
1 |
| Toffel, Michael |
1 |
| Tucker, Sherrie 1957- |
1 |
| Waterman, Ellen 1963- |
1 |