Letter from Mr. A. N. Wilson, Public Relations Consultant for Anglo American Corporation, to Mrs. Frieda Matthews, regarding Prof. Matthews' contribution to "Optima' magazine. Publishing date of the article is postponed ...

C. S. Pollard writes to Prof. Matthews regarding an article submitted for the December issue of Optima. Dated 21 October 1960.

Letter from Eric Lloyd Williams, Public Relations Officer, Anglo American Corporation about his article for "Optima" magazine. Dated 18 August 1960.

Letter from Prof. Z.K. Matthews to A.N. Wilson, Public Relations consultant for Anglo American Corporation, regarding the article submitted for "Optima" magazine. Dated 22 March 1960.

Telegraph from A.N. Wilson, Public Relations Consultant, Anglo American Corporation, to acknowledge receipt of Prof. Matthews' article for "Optima" magazine and congratulate him on splendid writing. Dated 29 March 1960.