| Perrin, Mona | Notes on discourse in Gude | 1990 | | 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 |
