The Effective Executive,Peter F.Drucker,Harper & Row

Publishers.

Plant life of South-West Asia. Edited by Peter H. Davis, Peter C. Harper & Ian C. Hedge

Birds of the Antarctic and Sub-Antarctic

George E. Watson, in collaboration with J. Phillip Angle, Peter C. Harper

The Church in the Present Crisis, by William Allen Harper, Introduction by Rev. Peter Ainslie.

W. Harper

Mark Wilsher

Barry Martin, David Evison & 8 more