(1) General reference
Early Portsmouth Defences 1923 39 (H T Lilley)
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(2) General reference
Map of Portsmouth 1716 Anon. In Portsmouth Ref Library
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(3) General reference
Gomme's Map of Portsmouth 1668 BM
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(4) Annotated Record Map
Corr 6" (Capt G Civil 1953)
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(5) Field Investigators Comments
F1 DS 09-AUG-55
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(6) Royal Archaeological Institute The Archaeological Journal
(A D Saunders) 123 - 1966 Page(s)145
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(7) General reference
The Western Defences of Portsmouth Harbour 1400-1800 1979 19-22 (G H Williams) Portsmouth Papers No 30
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