Letter from Dr. William Alphaeus Hunton, of the Encyclopaedia Africana, to Prof. Z. K. Matthews regarding his contribution of biographical articles for the Encyclopaedia. Dated 6 September 1966.
Dr. W. A. Hunton writes to Prof. Matthews in connection with biographical articles on African personalities to be submitted to the Encyclopaedia Africana. Dated 21 June 1966.
Letter from Prof. Z. K. Matthews' secretary at the World Council of Churches, Miss J. Erskine, to Dr. W.A. Hunton of Encyclopaedia Africana, providing him with Z. K. Matthews' contact details in Botswana. Dated 13 September 1966.