- Author: Kinnaird J.William.
- Language: Afrikaans-English
- Author: Beavon K.
- Language: French-English
- Author: Helmlinger P. Itondo M.
- Language: Duala
- Author: Satre A.
- Language: Afrikaans-English
- Author: Satre A.
- Language: Afrikaans-English
- Author: Satre A.
- Language: Afrikaans-English
- Author: Gravina R. Nelezek R. Tchalalao R.
- Language: English