( 1) General reference
OS 6' 1897
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( 2) General reference
N.C.H.9, 1909 57-58 (Plan)
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( 3) General reference
PSAN 2 1905-6 272-4
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( 4) Field Investigators Comments
F1 JHO 24-MAR-54
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( 5) Field Investigators Comments
F2 BHP 22-JAN-68
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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
Page(s)340
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(7) Dodds, JF 1999 Bastions and Belligerents: Medieval Strongholds in Northumberland
Page(s)486-7
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