( 1) Ordnance Survey Map (Scale / Date)
1:10000 1976
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( 2) List of Buildings of Special Architectural or Historic Interest
MHLG (Prov List) Border RD, Cumberland: Jan 1948 Page(s)27
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( 3) List of Buildings of Special Architectural or Historic Interest
City of Carlisle, Cumbria: 16.1.84 Page(s)37
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( 3a) General reference
Lord William Howard's Survey taken in 1603 (Edited by T.H.B. Graham, 1934) Page(s)27
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(4) Denis R Perriam and John Robinson 1998 The medieval fortified buildings of Cumbria : an illustrated gazetteer and research guide
Cumberland and Westmorland Antiquarian and Archaeological Society extra series vol.29 Page(s)137
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