Columbia subject headings:
Art, Italian--Italy--Umbria--Congresses.
Art, Renaissance--Italy--Umbria--Congresses.
Music--Italy--Umbria--15th century--Congresses.
Music--Italy--Umbria--16th century--Congresses.
Harvard subject headings:
Art, Italian--Italy--Umbria--Congresses.
Art, Renaissance--Italy--Umbria--Congresses.
Music--Italy--Umbria--15th century--Congresses.
Music--Italy--Umbria--16th century--Congresses.
Princeton subject headings:
Art, Italian--Italy--Umbria--Congresses.
Art, Renaissance--Italy--Umbria--Congresses.
Music--Italy--Umbria--15th century--Congresses.
Music--Italy--Umbria--16th century--Congresses.