( 1) Ordnance Survey Map (Scale / Date)
OS 1:2500 1962
|
( 2) The buildings of England
Northumberland 1957 83
|
( 3) Royal Commission on Historical Monuments, (England) 1963 Monuments threatened or destroyed: a select list: 1956-1962
Page(s)52
|
( 4) Field Investigators Comments
F1 DS 15-MAR-71
|
(5) Dodds, JF 1999 Bastions and Belligerents: Medieval Strongholds in Northumberland
Page(s)219
|