"Fondazione Federico Zeri - Università di Bologna, ente catalogatore della fotografia \"The Walters Art Museum , Domenico Feti, 1589-1624. Two half-lenght angels adoring [head of the Virgin] in a medallion held...\""@it . "Federico Zeri Foundation, cataloguing institution of the photograph \"The Walters Art Museum , Domenico Feti, 1589-1624. Two half-lenght angels adoring [head of the Virgin] in a medallion held...\""@en . . . . .