Columbia subject headings:
Artists' preparatory studies--Europe--Congresses.
Drawing, European--Congresses.
Sculptors--Europe--Congresses.
Harvard subject headings:
Artists' preparatory studies--Europe--Congresses.
Drawing, European--Congresses.
Sculptors--Europe--Congresses.
Princeton subject headings:
Artists' preparatory studies--Europe--Congresses.
Drawing, European--Congresses.
Sculptors--Europe--Congresses.