( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1960
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( 2) Transactions of the East Hertfordshire Archaeological Society
A W Anderson 8, 1928-33 Page(s)137-8
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( 3) General reference
Transactions of the St Albans and Hertfordshire Archaeological Society 1933-5 173-183 plan(W P Westell)
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( 4) Field Investigators Comments
F1 JRL 16-FEB-73
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