(1) General reference
Castles 1954 (B H St J O'Neil)
|
(2) by Philip Rahtz ... [et al] 1969 Medieval sites in the Mendip, Cotswold, Wye Valley and Bristol Region
Bristol Archaeological Research Group field guides Rahtz, P 3, 1969 Page(s)15
|
(3) Vertical aerial photograph reference number
RAF CPE/UK/1828 3287-8 04-NOV-1946
|
(4) Vertical aerial photograph reference number
MAL/53069 6952-3 24-MAY-1953
|