| Author | Popularity |
| Wallace, William, 1941- |
3 |
| Cole, William, 1714-1782 |
2 |
| Lewis, W. S. (Wilmarth Sheldon) |
2 |
| Wallace, A. Dayle |
2 |
| Walpole, Horace, 1717-1797 |
2 |
| College d'Europe |
1 |
| Edwards, Geoffrey, 1945- |
1 |
| Federal Trust for Education and Research |
1 |
| Herreman, I. |
1 |
| Lambert, Wallace E. |
1 |
| Lambert, William W. |
1 |