| Annett, Mary; Ketu-Amah, Lekunze E.; Shell, Olive A. | Bà pąą mè ǹkpàʼtè 1 | 1988 | | |
| Nseme, Clédor; Oyono, Gothard; Shell, Olive A. | Meslǝfey 2 | 1997 | | |
| Nseme, Clédor; Oyono, Gothard; Shell, Olive A. | Dí sɔŋgɛlɛ na duálá 2 | 1984 | | |
| Nkwan, Oscar; Barlow, Andrew; Sentie, Peter Ngum; Shell, Olive A. | Nwaale ɛybekte ǝbfua 1 | 2000 | | |
| Sadembouo, Etienne; Shell, Olive A. | Matetǝkey maslǝfey Mambiya ha 1 | 2001 | Collection PROPELCA | |
| Lagona, Ndoula; Oyono, Gothard; Shell, Olive A. | Wakita ndǝgwi tekweshǝ dǝ gwaɗi parǝkwa 2 | 1989 | | |
| Sadembouo, Etienne; Shell, Olive A. | Ŋwàʼ Rbèʼ 1 | 1999 | | |
| Mfonyam, Joseph N.; Shell, Olive A. | Àŋwàʼànǝ ataŋǝ̀ 1 | 1987 | | |
| Oyono, Gothard; Shell, Olive A. | Ŋwàʼ bìʼ 2 | 1984 | | |
| Sadembouo, Etienne; Shell, Olive A. | Ŋwaʼni sahwu 1 | 1983 | | |
| Oyono, Gothard; Sadembouo, Etienne; Shell, Olive A. | Ŋwaʼni sahwu 2 | 1984 | | |
| Sadembouo, Etienne; Shell, Olive A. | Meslǝfey 1 | 1997 | | |
