( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1923
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( 2a) General reference
Hist of Herts 1-3 1870-3 (J E Cussons)
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( 2) Transactions of the East Hertfordshire Archaeological Society
E E Squires 1902-4 Page(s)130-4
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( 3) Antiquity Publications Limited Antiquity
Dunning & Jessup 10, 1936 Page(s)52
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( 4) East Hertfordshire Archaeological Society newsletter
W J Hemp 1, 1949
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( 5) Annotated Record Map
Corr 6" (Holmes, 1950)
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( 6b) Oral information, correspondence (not archived) or staff comments
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( 6) Field Investigators Comments
F1 JRL 24-MAY-73
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( 7) by Derek Renn 1971 Medieval castles in Hertfordshire
Page(s)26-7
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( 8) Hertfordshire Past and Present
P Richards 3, 1977 Page(s)4
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