scientific article published in 1947

scholarly article by Richard J. C. Atkinson published in January 1951

scholarly article by R. J. Taylor published in December 1985

article published in 1938

scholarly article by John Brailsford published in December 1958

scientific article published in 1949

article by John Brailsford & J. Wilfrid Jackson published 1948 in Proceedings of the Prehistoric Society, London

article published in 1948

scientific article published in December 1972

scientific article published in December 1975