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- Language: English
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Kikongo
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- Author: Bertil Söderberg Ragnar Widman
- Language: Swedish, Kikongo (Kongo)
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- Author: Vincent N. Turvey, Leslie Shepard
- Language: English
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- Year: 1977
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- Language: English
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- Language: English
- Year: 1968
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- Language: English
- Year: 19775
- Author: Leary Timothy, Alpert Richard, Metzner Ralph
- Language: English
- Year: 1964
- Author: Arthur Komkmuer Harold L. Sheppard Albert I. Mayer
- Language: English
- Year: 1956