scientific article published in May 1987

article published in 1968

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article published in Morgannwg in 1977

article published in Morgannwg in 1977

article published in Morgannwg in 1979

scientific article published in 1995

scholarly article by H. Stephen Green published in January 1974

scientific article

article published in 1973

chapter published in 1986

scientific article

article by Nigel W. Jones et al published January 1998 in The Archaeological Journal

book; published in 1991

book

scholarly article by Stephen Aldhouse-Green published in December 1998

book published in 1993

book

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scientific article published in January 1991

article published in Archaeologia Cambrensis in 1992

article published in Archaeologia Cambrensis in 1987

scientific article published in January 1993

scholarly article by David Allen published in January 1981

article by Michael Fulford et al published 1994 in Britannia

article published in Archaeologia Cambrensis in 1993

article published in Archaeologia Cambrensis in 1992

scholarly article by H. Stephen Green published in November 1981

article published in 1971