| Parker, Elizabeth and Christine Durrant, compilers | Mundani-English lexicon | 1990 | | Linguistics |
| Watters, John R | Mass literacy programs | 1990 | Notes on Literacy (online collection) | Literacy and Education |
| Mfonyam, Joseph N | Tone analysis and tone orthography | 1990 | Journal of West African Languages | Linguistics |
| Robinson, Clinton D. W | The place of local-language literacy in rural development in Cameroon: Presentation of an experimental program | 1990 | African Studies Review | Sociolinguistics |
| Perrin, Mona | Notes on discourse in Gude | 1990 | | Linguistics |
| Watters, John R | Reduplication and the origin of high tone on noun prefixes in Ejagham | 1990 | Journal of West African Languages | Linguistics |
| Starr, Alan; Stalder, Jürg | Principles in sociolinguistic surveys: actualities of Cameroon SIL | 1990 | | Language Assessment, Sociolinguistics |
| Anderson, Stephen C.; Menetrey, Catherine | Tone in Gude -- A first look | 1990 | | Linguistics |
| Annett, Mary | Initial research into the process involved in integrating a language development programme into a wider development programme of a community | 1990 | | Language Program Management |
| Spreda, Klaus W. | Linguistic Notes on Metta | 1990 | | Linguistics |
| Spreda, Klaus W. | Key to the Metaʼ alphabet | 1990 | | Literacy and Education |
| Stalder, Jürg | Sociolinguistic survey among the Nda'nda' | 1990 | | Language Assessment, Sociolinguistics |
| Hofmann, Erica | A preliminary phonology of Bana | 1990 | | Linguistics |
