Columbia subject headings:
Art, European--18th century--Congresses.
Art, French--18th century--Congresses.
Enlightenment--Congresses.
Europe--Intellectual life--18th century--Congresses.
France--Intellectual life--18th century--Congresses.
Wille, Johann Georg, 1715-1808--Congresses.
Harvard subject headings:
Art--Collectors and collecting--Europe--History--18th century--Congresses.
Culture diffusion--Europe--History--18th century--Congresses.
Wille, Johann Georg, 1715-1808--Congresses.
Princeton subject headings:
Art, European--18th century--Congresses.
Art, European--Reproduction--Congresses.
Wille, Johann Georg, 1715-1808--Congresses.