| Ernst, Urs | Alphabet et orthographe du Mbonjɔɔ (Kakɔ-ouest) | 1996 | | Literacy and Education |
| Ernst, Urs | Alphabet et orthographe du Kakɔ (Kakɔ-est) | 1996 | | Literacy and Education |
| Ernst, Urs | Le groupe verbal et ses éléments on kakɔ (1ère partie) | 1998 | | Linguistics |
| Ernst, Urs | Description tonologique de l’énoncé nominal associatif en kakɔ | 1991 | SIL International Publications in Linguistics | Linguistics |
| Ernst, Urs | Temps et aspect en kakɔ | 1991 | SIL International Publications in Linguistics | Linguistics |
| Ernst, Urs | Sèw kɛ̀ numbù kakɔ̀ 1987 | 1986 | | |
| Parker, Brian; Ernst, Urs | Lexique Kako-Français | 2021 | | Linguistics |
| Ernst, Urs | Sew kɛ numbɔ kakɔ 1986 | 1985 | | |
| Ernst, Urs | Impératif et injonctif en kakɔ | 1994 | | Linguistics |
| Ernst, Urs | Tone orthography in Kakɔ (Kakɔ East) | 1996 | | Literacy and Education |
| Ernst, Urs | Les formes verbales du kakɔ | 1995 | | Linguistics |
| Ernst, Urs | Esquisse grammaticale du kakɔ | 1992 | | Linguistics |
| Ernst, Urs; Kombo Dee, David | Mɛ̀kànɔ̀ mɛ ɓebàbà ɓùsù | 1990 | | |
| Ernst, Urs | Poster Deut. 6:6-7 | 1988 | | |
| Ernst, Urs | Calendrier Kako 1985 | 1984 | | |
| Ernst, Urs, editor | Lexique kakɔ-français, français-kakɔ | 1989 | | Linguistics |
| Ernst, Gerd; Ernst, Urs; Kombo Dee, David | Wùsɛ̀ tɔl nɛ̀ wùsɛ̀ kɛti nùmbù kakɔ̀ | 1986 | | |
| Kombo Dee, David | Wusɛ tɔ̂l nɛ̀ wusɛ kɛ̂ti numbu kakɔ | 2002 | | |
