( 1) Annotated Record Map
OS 6" 1955.
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( 2) General reference
Armitage ES. 1912. Early Norman Castles Page(s)190
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( 3) Field Investigators Comments
F1 BHS 07-MAY-70
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( 4a) Vertical aerial photograph reference number
(RAF CPE/UK/1926 5053-4).
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( 4) Field Investigators Comments
F2 CDA 29-OCT-76
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( 5a) edited by R M Serjeantson and W Ryland D Adkins 1906 The Victoria history of the county of Northampton: volume two
The Victoria history of the counties of England Page(s)109-10
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( 5) Royal Commission on Historical Monuments, England 1981 An inventory of the historical monuments in the County of Northampton. Volume III: archaeological sites in north-west Northamptonshire
Monument 1 Page(s)163
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( 6) David J Cathcart King 1983 Castellarium anglicanum : an index and bibliography of the castles in England, Wales and the Islands. Volume II : Norfolk-Yorkshire and the islands
2 Page(s)317
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