| 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, Katrina; Boutwell, Richard L. | Nchane Phonology Sketch | 2014 | | Linguistics |
| 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 First Look at Tone in the Ncane Noun Phrase | 2015 | | Linguistics |
| Zubot, Esther | Nchane Vowels | 2016 | | Linguistics |
