( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1960
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( 2) Transactions of the East Hertfordshire Archaeological Society
EHAST 2 1902-4 32-45 88-89 (R T Andrews) 2 Page(s)32-45 88-89
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( 3) Royal Commission on Historical Monuments (England) 1910 An inventory of the historical monuments in Hertfordshire
RCHM Herts 1910 210-211 Page(s)210-11
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( 4) Field Investigators Comments
F1 JRL 13-OCT-75
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( 5) by Department of the Environment, Ancient Monuments and Historic Buildings London 1978 List of ancient monuments in England: Volume 1, Northern England; Volume 2, Southern England; Volume 3, East Anglia and the Midlands
DOE(IAM) List Anc Mons 3 1978 53 3 Page(s)53
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( 6) Royal Archaeological Institute The archaeological journal
Arch J 132 1975 111-150 plans illusts (T P Smith) 132 Page(s)111-150
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( 7) List of Buildings of Special Architectural or Historic Interest
DOE(HHR) East Herts Dist Herts Sept 1983 84-6
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(8) 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)221
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