Columbia subject headings:
Duchamp, Marcel, 1887-1968--Criticism and interpretation--Congresses.
Erotic art--France--Congresses.
Surrealism--France--Congresses.
Harvard subject headings:
Duchamp, Marcel, 1887-1968--Criticism and interpretation.
Erotic art.
Princeton subject headings:
Duchamp, Marcel, 1887-1968--Criticism and interpretation.
Erotic art.