Article on Prof. Matthews being appointed the representative of Botswana at the headquarters of the United Nations. With an overview of his life's achievements. Published in S.A. Outlook, August 1966, p. 123.
Draft letter from Prof. Z. K. Matthews to the President of the United States of America, on his appointment as Ambassador Extraordinary and Plenipotentiary of the Republic of Botswana.
Tshekedi Khama, Acting Chief of the Bamanwato nations's draft declaration in the matter between himself and His Excellency Sir William Clark,in his capacity as High Commissioner of the Bechuanaland Protectorate.