Eric Bird
M. T. Styles
A. T. V. Rothstein
George Townsend
Viv Wilson
Soil Survey of England & Wales
Richard Thomas Pentreath
David McClintock
Nature Conservancy Council
Adam Sedgwick
W. F. Ivey
William Ravenhill
Frank Turk
W. Best Harris
Handbook ..
Howard Fox
John Smith Flett
R. C. Leake
L. J. Margetts