Drawings by Gaspar Van Wittel (1652/53-1736) from neapolitan collections =Walter Vitzthum · First published 1977Open the Tome
Drawings in the Collection of the Art Gallery of OntarioWalter Vitzthum · First published 1970Open the Tome
Lo Studiolo di Francesco I a FirenzeWalter Vitzthum · First published 1965 · Latest edition 1969Open the Tome
