(en) Leonard S. Forrer, Biographical dictionary of medallists: coin, gem, and seal-engraver s, mint-masters, &c., ancient and modern, with references to their work s, B.C. 500-A.D. 1900, Londres, A.H. Baldwin; Maastricht: A.G. Van der Dussen, (ISBN978-0-906919-03-3 et 978-90-70296-03-2, lire en ligne).