| Bagley, R. Kelly; Roberts, James S. | Kotoko survey report | 1991 | | Language Assessment, Sociolinguistics |
| 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 |
| Parker, Elizabeth | Conditionals in Mundani | 1991 | SIL International Publications in Linguistics | Linguistics |
| Ernst, Urs | Description tonologique de l’énoncé nominal associatif en kakɔ | 1991 | SIL International Publications in Linguistics | Linguistics |
| Patman, Frankie | Tone in the Nugunu verb phrase | 1991 | SIL International Publications in Linguistics | Linguistics |
| Anderson, Stephen C., editor | Tone in five languages of Cameroon | 1991 | SIL International Publications in Linguistics | Linguistics |
| Heath, Daniel | Tone in the Makaa associative construction | 1991 | SIL International Publications in Linguistics | Linguistics |
| Wilkendorf, Patricia | Le système temporel et aspectuel de la langue nɔmaandɛ́ | 1991 | SIL International Publications in Linguistics | Linguistics |
| Wilkendorf, Patricia | Floating high tones in Nɔmaándɛ locatives | 1991 | SIL International Publications in Linguistics | Linguistics |
| Parker, Elizabeth | Complex sentences and subordination in Mundani | 1991 | SIL International Publications in Linguistics | Linguistics |
| Anderson, Stephen C. and Bernard Comrie, editors | Tense and aspect in eight languages of Cameroon | 1991 | SIL International Publications in Linguistics | Linguistics |
| Jarvis, Elizabeth | Tense and aspect in Podoko narrative and procedural discourse | 1991 | SIL International Publications in Linguistics | Linguistics |
| Heath, Daniel | Tense and aspect in Makaa | 1991 | SIL International Publications in Linguistics | Linguistics |
| Beavon, Keith H | Kɔɔzime verbal system | 1991 | SIL International Publications in Linguistics | Linguistics |
| Orwig, Carol J | Relative time reference in Nugunu | 1991 | SIL International Publications in Linguistics | Linguistics |
| Ernst, Urs | Temps et aspect en kakɔ | 1991 | SIL International Publications in Linguistics | Linguistics |
| Swackhamer, Jeanette | Tonal behavior of Podoko verbs in independent clauses | 1991 | SIL International Publications in Linguistics | Linguistics |
| Hollingsworth, Kenneth R | Tense and aspect in Mofu-Gudur | 1991 | SIL International Publications in Linguistics | Linguistics |
| Stanley, Carol | Description morpho-syntaxique de la langue tikar (parlée au Cameroun) | 1991 | | Linguistics |
| Langermann, Cindy; Gathman, Elizabeth | Preliminary local level background questionnaire | 1991 | | Anthropology, Sociolinguistics |
| Langermann, Cindy | A preliminary comparison between Hide and Lamang phonology | 1991 | | Linguistics |
| Davison, Phil | Batanga survey report | 1991 | | Language Assessment, Sociolinguistics |
| Engelbert, Domche Teko; Hatfield, Deborah H. | Enquête sociolinguistique sur le ghomala'-jo comme dialecte de référence standard | 1991 | | Language Assessment, Sociolinguistics |
| 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 |
| Regnier, Clark D. | Tivoid survey of the Akwaya Sub-division, Manyu Division, Southwest Province | 1991 | | Language Assessment, Sociolinguistics |
| Patman, Frankie | Tone in the Nugunu verb phrase | 1991 | | Linguistics |
| Hasselbring, Sue; Sadembouo, Etienne | A sociolinguistic survey of the Ngemba languages | 1991 | | Language Assessment, Sociolinguistics |
| Heath, Daniel | Tone in the Makaa associative construction | 1991 | | Linguistics |
| Seguin, Lawrence M | The Eastern Mbum survey: An assessment of the extendability of current language development projects | 1991 | | Language Assessment, Sociolinguistics |
| Davis, Dan | The use of pictures in literacy materials: An investigation into the processing of visual information in preliterate societies | 1991 | Notes on Literacy (online collection) | Anthropology, Literacy and Education |
