(1) General reference
Armitage E.S. The Early Norman Castles'
(1a) General reference
Fowler, The History of Runcorn
(1b) General reference
Hansell, The History of Cheshire, 1917
(1c) General reference
Beaumont, The History of Halton, plan
(2) Field Investigators Comments
Field investigator FDC 01-JUL-59
(3) Field Investigators Comments
Field Investigator JHW 29-JAN-64
(4) 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
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