| Author | Popularity |
| Colowick, Sidney P. (Sidney Paul) |
7 |
| Kaplan, Nathan O. (Nathan Oram), 1917- |
7 |
| Dewey, Virginia C. |
1 |
| Kaplan, H. M. |
1 |
| Kaplan, Stephen Allen, 1940-1964 |
1 |
| Rosenberg, Charles E. (Charles Ernest) |
1 |
| Stainsby, W. N. |
1 |
| University of Pennsylvania. Department of History |
1 |
| Zauner, C. W. |
1 |