Columbia subject headings:
Dante Alighieri, 1265-1321--Pictorial works.
Duomo di Orvieto (Orvieto, Italy)
Signorelli, Luca, 1441?-1523.
Harvard subject headings:
Dante Alighieri, 1265-1321--Pictorial works.
Duomo di Orvieto.
Signorelli, Luca, 1441?-1523.
Princeton subject headings:
Dante Alighieri, 1265-1321--Iconography.
Orvieto. Santa Maria della Stella (Cathedral)
Signorelli, Luca, 1441?-1523.