( 1) by Derek Renn 1973 Norman castles in Britain
Page(s)107
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( 2a) Oral information, correspondence (not archived) or staff comments
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( 2) Essex Archaeological Society transactions
G M Knocker 25, 1952-60 Page(s)257-62
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( 3) Field Investigators Comments
F1 PAS 04-FEB-75
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