( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1958.
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(2) The Victoria history of the counties of England
Northamptonshire (E A Downman). With small map. 2 1903 Page(s)403
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( 3) General reference
Northamptonshire (G Baker). 2 1841 Page(s)120
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( 4) Field Investigators Comments
F1 FDC 28-AUG-1970
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( 5) edited by A J Taylor 1969 Chateau Gaillard, 3. Conference at Battle, Sussex, 19-24 September 1966
No.125 1969 Page(s)118
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( 6) Royal Commission on Historical Monuments England 1982 An inventory of the historical monuments in the County of the Northampton. Volume IV: archaeological sites in south-west Northamptonshire
(Monument 5) 1982 Page(s)62
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(7) 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
Page(s)315
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(6a) General reference
History & Antiquities of Northamptonshire (J Bridges) 1 1791 Page(s)280
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( 6b) Externally held archive reference
Northants Record Office map including Alderton 1726
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