( 1) General reference
Historic Towns of Dorset. Dorset Nat His Archae Soc Monograph 1 1980 23-9 Illus (K G Penn)
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( 2) General reference
Proc Dorset Nat His Archae Soc 97 1975 62-3 Plan (E B Short)
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( 3) General reference
Proc Dorset Nat His Archae Soc 97 1975 63 (J Bailey)
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(4) General reference
Hill D and Rumbole A 1996 The Defence of Wessex 192-3
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