( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1958
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( 2) edited by William Page 1911 The Victoria history of the county of Suffolk, volume one
The Victoria history of the counties of England Page(s)591
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( 3) by Derek Renn 1973 Norman castles in Britain
Page(s)223
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( 4) Field Investigators Comments
F1 BHS 15-JAN-70
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