| Author | Popularity |
| Fitzgerald, Edward, 1809-1883 |
8 |
| Bentham, G. |
7 |
| Fitzgerald, G. B. |
2 |
| Fitzgerald, A. E. |
1 |
| Fitzgerald, Garret, 1926- |
1 |
| Fitzgerald, H. G. |
1 |
| Grabel, A. |
1 |
| Gregory, R. P. F. (Richard Paul Fitzgerald), 1938- |
1 |
| Higginbotham, D. E. |
1 |
| Maine, G. F. |
1 |
| Omar Khayyám, 1048-1131 |
1 |
| Political and Economic Planning |
1 |