| Ennulat, Jürgen H. and Helene Ennulat | Description phonologique fali (parler de Ram) | 1971 | | Linguistics |
| Gonding | Sakta tisaga ây | 1973 | | |
| Ennulat, Jürgen H | Participant categories in Fali stories | 1978 | SIL International Publications in Linguistics | Linguistics |
| Bouba, Etienne; Ennulat, Helene | Engni janggum | 1973 | | |
| Bouba, Etienne; Ennulat, Helene | Cèngni jàk kèta | 1973 | | |
| Bouba, Etienne | Yèk jàk nûr ây | 1974 | | |
| Bouba, Etienne; Ennulat, Helene | Dik dàm kpeesi ni janggum | 1973 | | |
| Bouba, Antoine; Ennulat, Helene | Iisirra janggum | 1973 | | |
| Bouba, Etienne; Ennulat, Helene | Loo a janggum | 1974 | | |
| Bouba, Etienne; Ennulat, Helene | Janggi, mu mbin mbâra | 1974 | | |
