1. Die naturwissenschaftliche Untersuchung der Ägyptischen Bronzen des Pelizaeus-Museums in Hildescheim;Riederer;Berliner Beiträge zur Archäometrie,1984
2. The copper-alloy jug;Crummy;Heybridge: A Late Iron Age and Roman Settlement, Excavations at Elms Farm 1993–5, Internet Archaeology,2015
3. Roman alloying practice
4. Harrison, D. 2014: Land East of The Street, Easton: Geophysical Survey, unpub. report, West Yorkshire Archaeological Service Report 2562, Leeds