Armitage, P.L. "Post-medieval cattle horn cores from the Greyfriars site, Chichester, West Sussex, England." Circaea 7/2 (1990): 81-90.

Armitage, P.L. "Post-medieval cattle horn cores from the Greyfriars site, Chichester, West Sussex, England." Circaea 7/2 (1990): 81-90.