Richard Clay and Sue Tungate (eds.) (2009) Matthew Boulton and the Art of Making Money Brewin, Studley
 
Sue Tungate (2009) ‘Matthew Boulton’s Mints: Copper to Customer’ in: S. Mason (ed.) (2009) Matthew Boulton: Selling What All The World Desires Yale University Press, London and New Haven pp 80-88.

Sue Tungate (2009) ‘Technology, Art and Design in the Work of Matthew Boulton: Coins, Medals and Tokens produced at the Soho Mint’ in M. Dick (ed.) (2009) Matthew Boulton: A Revolutionary Player Brewin, Studley pp 185-200.