Here are some more website links of local and regional organisations.
English Heritage (for Kirkham House)
Also worth exploring:
Devon Heritage Centre Exeter, Great Moor House, Bittern Rd, Exeter, EX2 7NL
Devon history from 11th century to present day. http://swheritage.org.uk/devon-archives/
Oldway’s use as a Hospital during World War 1-www.americanwomenswarhospital.com