"Fondazione Federico Zeri - Università di Bologna, ente catalogatore della fotografia \"The Walters Art Museum , Holy Family with Infant St. John the Baptist in a Landscape. Italian, Florentine, 15th cen.\""@it . "Federico Zeri Foundation, cataloguing institution of the photograph \"The Walters Art Museum , Holy Family with Infant St. John the Baptist in a Landscape. Italian, Florentine, 15th cen.\""@en . . . . .