Columbia subject headings:
Nobility--Europe--Portraits--Exhibitions.
Nobility--Italy--Portraits--Exhibitions.
Voet, Ferdinand, 1639-1689--Exhibitions.
Harvard subject headings:
Nobility--Europe--Portraits--Exhibitions.
Nobility--Italy--Portraits--Exhibitions.
Voet, Ferdinand, 1639-1689--Exhibitions.
Princeton subject headings:
Voet, Ferdinand, 1639-1689--Exhibitions.