Columbia subject headings:
Harvard subject headings:
Art and society--Italy--Palermo.
Art patronage--Italy--Palermo.
Art, Gothic--Italy--Palermo.
Art, Italian--Italy--Palermo.
Princeton subject headings:
Art and society--Italy--Palermo.
Art patronage--Italy--Palermo.
Art, Gothic--Italy--Palermo.
Art, Italian--Italy--Palermo (Sicily).