Académie de Besançon (1808-1896)(2)
Kuczynski, Robert René (1876-1947)(2)
African Research Survey (London)(1)
Association Internationale du Congo(1)
Großbritannien. Commission on Population(1)
Hailey, William Malcolm Hailey(1)
Institut colonial international(1)
International Institute of African Languages and Cultures (1926-)(1)