IL BATTISTERO DI CALLISTO. (Fot. Raccolta Municipale).
Art -- Italy Cividale del Friuli · Art, Italian -- Italy Cividale del Friuli · Cividale del Friuli (Italy) -- Antiquities · Cividale del Friuli (Italy) -- Description and travel
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
