Caption:
Baptismal font in the cathedral of Orvieto, Baptismal font in the Cathedral of Santa Maria Assunta in Oriveto, signed: Nohl, Fig. 126, p. 217, Nohl, Max, 1867, Jacob Burckhardt; Wilhelm Lübke: Geschichte der neueren Baukunst. Stuttgart: Verlag von Ebner & Seubert, 1867.