| Perrin, Mona | The tone system in Mambila: some further comments | 1991 | | Linguistics |
| Starr, Alan; Stalder, Jürg | Principes appliqués dans les enquêtes sociolinguistiques de la SIL au Cameroun | 1991 | | Language Assessment, Sociolinguistics |
| Langermann, Cindy | A preliminary comparison between Hide and Lamang phonology | 1991 | | Linguistics |
| Haman, Oumaté; Nouhou, Amadou; Pohlig, Annie W. | Vocabulaire de base en quatre langues: wandala, fulfulde, français, anglais | 1991 | | Linguistics |
| Harro, Gretchen; Haynes, Nancy R. | Grammar sketch of Yemba | 1991 | | Linguistics |
| Patman, Frankie | Tone in the Nugunu verb phrase | 1991 | | Linguistics |
| Heath, Daniel | Tone in the Makaa associative construction | 1991 | | Linguistics |
