Letter from Prof. Z.K. Matthews to Dr. Andrew W. Lind in response to Lind's invitation to participate in the "Race Relations in World Perspective" conference, Hawaii, 28 June - 23 July 1954. Dated 27 October 1953.
Letter from M.B. Kossew, deputy chairman and managing director of African Horizon insurance company, to Prof. Z.K. Matthews, one of the directors. Dated 18 September 1957.
Letter from George W. Carpenter, from the International Missionary Council to Dr. Arthur W. Blaxall, Christian Council of South Africa, regarding the development of Christian Home and Family Life programs in Africa.
Arthur W. Blaxall writes to Prof. Matthews regarding a letter from the Africa Secretary of the International Missionary Council. Including a copy of Mr. Blaxall's response to the Secretary. Dated 28 October 1959.
Letter from M.B. Kossew, deputy chairman and managing director of African Horizon insurance company to Prof. Z.K. Matthews, one of the directors. Dated 14 October 1957.
Letter from I. E. Jardine, honorary secretary of the Griqualand West Cricket Foundation, to Prof. Z. K. Matthews, requesting his patronage. Dated 14 November 1956.
Letter from Hildegarde Spottiswoode to Prof. Z. K. Matthews regarding his contribution to the book, "South Africa - The Road Ahead". Dated 21 August 1959.
Letter from Quintin Whyte, Director of the South African Institute of Race Relations, to Prof. Z.K. Matthews informing him that he has been elected as the vice-president of the Institute. Dated 21 November 1956.
Letter from Alan Paton to Z. K. Matthews about Matthews' presentation for "Convocation" and Paton's book "Cry the Beloved Country". Dated 24 June 1959.
Letter from Philip Radley to Prof. Z. K. Matthews, providing contacts and addresses for accommodation for John Knox Matthews in London. Dated 26 November 1959.
Letter from Ronald M. Segal, editor of "Africa South : an international quarterly", to Prof. Z.K. Matthews, requesting him as a signatory to a statement to be released to the press. Dated 30 August 1956.