Columbia subject headings:
Artists' preparatory studies--Europe--Congresses.
Painting, European--Congresses.
Harvard subject headings:
Princeton subject headings:
Artists' preparatory studies--Europe--Congresses.
Painting, European--Congresses.
Painting, Modern--17th century--Europe--Congresses.
Painting, Modern--18th century.
Painting, Renaissance--Europe--Congresses.