| Verfasser | Häufigkeit |
| Clayton, David |
7 |
| Hills, Michael |
7 |
| Cravens, David W. |
4 |
| Hills, Denis Cecil |
4 |
| Hills, Gerald E. |
4 |
| Woodruff, Robert B. |
4 |
| Conyers, Diana |
2 |
| Driscoll, Christopher M. |
2 |
| Hills , Colin D. |
2 |
| Hills, Denis C. |
2 |
| Hills, Elijah Clarence 1867-1932 |
2 |
| Hills, Peter |
2 |
| Miller, Monica R. 1981- |
2 |
| Pinn, Anthony B. 1964- |
2 |
| Tripathi, Nimisha |
2 |
| Ackroyd, E. A. |
1 |
| Adam, Noëlle 1933- |
1 |
| Allam, Roger |
1 |
| Ament, Hermann 1936- |
1 |
| Caddick, David |
1 |