Question: The village which was a one of the 14 conservation areas of local government district in Hertfordshire was also mentioned in which book? 
Sentence (from "Grade I listed buildings in West Somerset"): In England, the authority for listing under the Planning (Listed Buildings and Conservation Areas) Act 1990 rests with Historic England, a non-departmental public body sponsored by the Department for Culture, Media and Sport; local authorities have a responsibility to regulate and enforce the planning regulations.
Relevant evidence: No