( 1) General reference
OS 6" 1935-38.
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( 2) London and Middlesex Archaeological Society Transactions of the London and Middlesex Archaeological Society
Plans, photos (HUGH BRAUN) 7 1933-7 Page(s)99-123,228
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( 3) Royal Commission on Historical Monuments, England 1937 An inventory of the historical monuments in Middlesex
Page(s)108A
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