Columbia subject headings:
Art--Collectors and collecting--Europe--18th century--Congresses.
Nobility--Europe--Intellectual life--18th century.
Sculpture, Ancient--Collectors and collecting--Europe--18th century--Congresses.
Harvard subject headings:
Art--Collectors and collecting--Europe--18th century--Congresses.
Nobility--Europe--Intellectual life--18th century.
Sculpture, Ancient--Collectors and collecting--Europe--18th century--Congresses.
Princeton subject headings:
Art--Collectors and collecting--Europe--18th century--Congresses.
Nobility--Europe--Intellectual life--18th century.
Sculpture, Ancient--Collectors and collecting--Europe--18th century--Congresses.