Columbia subject headings:
Art patronage--Italy--Umbria--History--20th century--Exhibitions.
Art, Modern--20th century--Exhibitions.
Art--Italy--Umbria--20th century--Exhibitions.
Harvard subject headings:
Art patronage--Italy--Umbria--History--20th century--Exhibitions.
Art, Modern--20th century--Exhibitions
Art--Italy--Umbria--20th century--Exhibitions.
Princeton subject headings:
Art patronage--Italy--Umbria--History--20th century--Exhibitions.
Art, Modern--20th century--Exhibitions.
Art--Italy--Umbria--20th century--Exhibitions.