( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1955
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( 2) Medieval archaeology : journal of the Society for Medieval Archaeology
J G Hurst 1, 1957 Page(s)160
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( 3) Medieval archaeology : journal of the Society for Medieval Archaeology
J G Hurst 2, 1958 Page(s)202-4
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( 4) R Allen Brown, H M Colvin and A J Taylor 1963 The history of the King's Works, volume 2 : the Middle Ages
Page(s)1019-20
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( 5) by P A Rahtz 1969 Excavations at King John's hunting lodge, Writtle, Essex, 1955-57
The Society for Medieval Archaeology monograph series1 (1966) - no.3
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( 6) Field Investigators Comments
F1 ASP 01-MAR-68
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( 7) Field Investigators Comments
F2 JRL 19-NOV-75
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( 8) Field Investigators Comments
F3 WDC 09.08.88
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(9) World Wide Web page
University of Cambridge Archaeological Unit, 2003, The Lordship Campus, Writtle Agricultural College: A Desk Based Assessment, http://www.writtle.ac.uk/pdfs/5/writtle%20dt.pdf
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