Columbia subject headings:
Art--Political aspects--France--History--20th century--Congresses.
Art--Political aspects--United States--History--20th century--Congresses.
Artists--Political activity--France--History--20th century--Congresses.
Artists--Political activity--United States--History--20th century--Congresses.
Harvard subject headings:
Art--Political aspects--France--History--20th century--Congresses.
Art--Political aspects--France--History--20th century.
Art--Political aspects--United States--History--20th century--Congresses.
Art--Political aspects--United States--History--20th century.
Artists--Political activity--France--History--20th century--Congresses.
Artists--Political activity--France--History--20th century.
Artists--Political activity--United States--History--20th century--Congresses.
Artists--Political activity--United States--History--20th century.
Princeton subject headings: