A. P. Woolrich
Alfred Mitchell
Somerset Industrial Archaeological Society
Government of Great Britain
Pocknell, Edward [attributed]
Exeter ..
A. Kneel
Aileen Fox (Lady)
G. T. Harris
Hugh Robert Watkin
G. L. Boundy
Anonymous (Pseudonym)
C. Tucker
W. H. Hudleston
George Fox
South West Water
Reginald E. Middleton
Frank Hawtin