Ernie Hoblyn
Plymouth Archaeology
Simon Dell
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John Harvey
Ian Hamilton Finlay
A. P. Radcliffe
Viv Wilson
Margaret Lattimore
Tim Gent
Clive Jenkins
Dave Brewer
Anne Born
Ransom Pickard
W. R. Dearman
Kath Brewer
William Payne
H. C. Prudden
P. E. Barnes
Pengelly Cave Studies Centre
Somerset County Council
Tertia Longmire
Norman Bezzant
William Pengelly Cave Studies Trust
Government of Great Britain