( 1) Ordnance Survey Map (Scale / Date)
OS 1:2500 1972
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( 2) List of Buildings of Special Architectural or Historic Interest
Eden, 12-04-1984 154
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(3) 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)299
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