Engraved gems : survivals and revivals - Brown, Clifford M.; White, Shelby; Levy, Leon (National Gallery of Art ; Distributed by the University Press of New England, 1997)
"Proceedings of the symposium ... sponsored by the Center for Advanced Study in the Visual Arts, the Samuel H. Kress Foundation, and Shelby White and Leon Levy, 18-19 November 1994"--T.p. verso.