Isabella d'Este Gonzaga's Augustus and Livia Cameo and the "Alexander and Olympias" gems in Vienna and Saint Petersburg.

von Brown, Clifford M. (Clifford Malcolm)
Veröffentlicht in Engraved gems : Survivals and revivals.
Hanover, New Hampshire/London : University Press of New England, 1997.
Umfang/Format: 85-107 : Abb. Taf.