| Author | Popularity |
|---|---|
| Clark, E.L. | 2 |
| Djikeng, Appolinaire | 2 |
| Hume, D.A. | 2 |
| Salavati, M. | 2 |
| Abebe, A. | 1 |
| Agaba, Morris | 1 |
| Ahbara, A. | 1 |
| Bush, S.J. | 1 |
| Friedrich, J. | 1 |
| Hanotte, Olivier H. | 1 |
| Kebede, Adebabay | 1 |
| Lisowski, Z.M. | 1 |
| McCulloch, M.E.B. | 1 |
| Muriuki, C. | 1 |
| Mwacharo, Joram M. | 1 |
| Prendergast, James G.D. | 1 |
| Robert, C. | 1 |
| Vasoya, D. | 1 |
| Watson, M. | 1 |
| Wiener, P. | 1 |
