Columbia subject headings:
Artists--Political activity--United States--Congresses.
Communism--United States--Influence--Congresses.
Fascism and art--Congresses.
Social realism--Congresses.
Harvard subject headings:
Artists--Political activity--United States--Congresses.
Artists--United States--Political activity--Congresses.
Communism--United States--Influence--Congresses.
Fascism and art--Congresses.
Social realism--Congresses.
Princeton subject headings:
Artists--United States--Political activity--Congresses.
Communism--United States--Influence--Congresses.
Fascism and art--Congresses.
Social realism--Congresses.