Hackens, Antidorum W. Peremans, pp. 75-6, Noe, Sicyon, p. 36, Troxell, ANSMN 17 (1971), pp. 53-61, 86-8, illus., Vaux, NC 1854, pp. 31-7 (quoting a letter from C. T. Newton)
Oeconomides, RBN 1968, pp. 132-7 (with quotation of early publications where the total is given as 9170 or 9171 pieces and a few other mints are listed)