6. International Congress of Anthropological and Ethnological Council. Permanenta rådets möte, Oxford 1946. 7. International African Institute. Executiva rådets möte, London 1947. 8. International African Institute. Executiva rådets möte, Bryssel 1948. 9. International Congress of Anthropological and Ethnological Sciences, Bryssel 1948. 10. International African Institute. Executiva rådets möte, Paris 1949.

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