( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1960
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( 2) Royal Commission on Historical Monuments (England) 1916 An inventory of the historical monuments in Essex. Volume I [north west]
Page(s)291-3,345
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( 2a) General reference
Hist and Ants of Essex 1768 (P Morant)
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( 3) Royal Commission on Historical Monuments (England) 1916 An inventory of the historical monuments in Essex. Volume I [north west]
Page(s)70
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( 4) Field Investigators Comments
F1 PAS 26-FEB-1975
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( 5) Scheduled Monument Notification
Eng Hertage SAMs Essex 1987, 18
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(6) 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
Page(s)143
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