( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1956
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( 2) Cumberland and Westmorland Antiquarian and Archaeological Society extra series
J F Curwen 13, 1913 Page(s)273
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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)339
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