"Some General Principles Illustrated by the Evolution of Man" Letters to De Beer from Dr J J Head, editor of the Oxford Biology Readers series, informing De Beer of his intentions for the series, and inviting him to submit a monograph; plus letters from Clarendon Press, Oxford regarding publication and remuneration, enclosing a copy contract. A typescript draft of De Beer, "Some General Principles Illustrated by the Evolution of Man" is enclosed; No. 1 in the Oxford Biology Readers Series. Copies of De Beer's outgoing letters are interspersed throughout. May 1970-Jun 1971