| Boutwell, Richard L. | Mungong Phonology Sketch | 2011 | | Linguistics |
| Boutwell, Katrina; Boutwell, Richard L. | Mungong Orthography Guide | 2011 | | Literacy and Education |
| Boutwell, Katrina; Boutwell, Richard L. | Nchane orthography guide | 2008 | | Literacy and Education |
| Boutwell, Richard L. | A Sketch Grammar of the Nchane Language | 2010 | | Linguistics |
| Boutwell, Richard L. | A Sketch Grammar of the Mungong Language | 2014 | | Linguistics |
| Boutwell, Richard L. | Speaker Attitude and Demonstrative Choice in Ncane (Beboid) | 2018 | Studies in African Linguistics | Linguistics |
| Boutwell, Katrina; Boutwell, Richard L. | Nchane Phonology Sketch | 2014 | | Linguistics |
| Boutwell, Richard L. | Interlinearized Nchane texts analyzed for macrosegmentation | 2013 | | Linguistics |
| Langhout, Bep, Richard L. Boutwell, Aku Julius Eyoh and Robert Hedinger | Sari Orthography Guide | 2022 | | Linguistics, Literacy and Education |
| Mkounga Tala Blaise, Katrina L. Boutwell and Richard L. Boutwell | Mungong Orthography Guide | 2022 | | Linguistics, Literacy and Education |
| Boutwell, Katrina; Boutwell, Richard L.; Zubot, Esther | Nchane Orthography Guide | 2021 | | Linguistics, Literacy and Education |
| Boutwell, Richard L. | A grammar of Nchane: A Bantoid (Beboid) language of Cameroon | 2020 | LOT dissertations | Linguistics |
| Boutwell, Richard L. | A First Look at Tone in the Ncane Noun Phrase | 2015 | | Linguistics |
