( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1956
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( 2) General reference
Hist Lincs 2 1834 283 (T Allen)
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( 3) General reference
Directory of Lincs 3rd Edn 1872 571-2 (W White)
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( 4) Field Investigators Comments
F1 BHS 11-MAY-65
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( 5) Field Investigators Comments
F2 RSC 17-AUG-77
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( 5a) Aerial photograph
APs (RAF 106G/UK/1431 7127-29 16.4.64)
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(6) Field Investigators Comments
Helen Winton/27-FEB-1996/RCHME: Lincolnshire NMP
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(7) 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)265
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