| Verfasser | Häufigkeit |
| Amyes, Sebastian G. B. |
4 |
| MacDonald, Margaret F. |
3 |
| MacDonald, Margaret F. 1944- |
3 |
| Salvaing, Bernard 1951- |
3 |
| Spencer, Robin |
3 |
| Spencer, Robin 1944- |
3 |
| Yattara, Almamy Maliki |
3 |
| Young, Andrew McLaren |
3 |
| Young, Andrew McLaren 1913-1975 |
3 |
| Sarkhosh, Ali |
2 |
| Yakubu, Anthonia Makwemoisa |
2 |
| Yasinitsky, Ann Marie |
2 |
| Yavari, Ali M. |
2 |
| Abd-El-Aziz, Ahmad |
1 |
| Abd-el-Aziz, Alaa S. |
1 |
| Abdolahipour, Mohammad |
1 |
| Abidoye, Luqman Kolawole |
1 |
| Acker, Dieter 1940-2006 |
1 |
| Adewole, Jimoh Kayode |
1 |
| Ali Osman, Balkanlı |
1 |