Bayley and ButcherBayley, Justin and Sarnia Butcher. Roman Brooches in Britain: A technological and Typological Study based on the Richborough Collection. (London, 2004). In English. Huge study of metallurgy, manufacture and typology of Roman era fibulae from southern England. | Bayley and |ButcherBayley, Justin and Sarnia |Butcher. Roman Brooches in Britain: A technological and Typological Study based on the Richborough Collection. (London, 2004). In English. Huge study of metallurgy, manufacture and typology of Roman era fibulae from southern England. |