1. A. Oddy, Metal Plating and Patination, ed. S. La Niece and P. Craddock (Oxford: Butterworth-Heinemann, 1993), pp. 171–181.
2. Pliny, Naturalis Historia, 33, chapter 33 (c. 70).
3. K. Anheuser, D.Phil. thesis, University of Oxford (1996).
4. P. Northover and K. Anheuser, (paper presented at the Am. Inst. for Conservation Gilded Metals Symposium, St. Paul, MN, June 1995).
5. B. Cellini, Dell’ Oreficeria, chapter 26 (1568).