( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1924
|
( 2) Transactions of the Bristol and Gloucestershire Archaeological Society
"Earthworks in the parish of Bicknor" (by Sir John Maclean), plan 4, 1879-80 Page(s)303
|
( 3) Field Investigators Comments
F1 NVQ 14-APR-58
|
( 4) Transactions of the Bristol and Gloucestershire Archaeological Society
53, 1931 Page(s)7
|
( 5a) General reference
Pipe Roll
|
( 5b) General reference
Patent Roll
|
( 5) D F Renn 1968 Norman Castles in Britain
Page(s)184
|
( 6) Ordnance Survey Map (Scale / Date)
OS 1:10,000 1980
|
( 7c) General reference
Map of Forest of Dean 1608 PRO MR 879
|
( 7) Moated Sites Research Group report
(M Aston) 7, 1980 Page(s)4
|
( 8) Scheduled Monument Notification
24-SEP-1999
|
( 9) by David J Cathcart King 1983 Castellarium anglicanum : an index and bibliography of the castles in England, Wales and the islands. Volume I : Anglesey - Montgomery
1 Page(s)181
|
(10) Vertical aerial photograph reference number
NMR OS/76156 028-9 11-JUL-1976
|
(11) Vertical aerial photograph reference number
RAF 106G/UK/1355 7198-9 02-APR-1946
|