Columbia subject headings:
Gay erotic art--Switzerland.
Kupffer, Elisar von, 1872-1942--Criticism and interpretation.
Mysticism in art.
Harvard subject headings:
Gay erotic art--Switzerland.
Kupffer, Elisar von, 1872-1942--Criticism and interpretation.
Mysticism in art.
Princeton subject headings:
Gay erotic art--Switzerland.
Kupffer, Elisar von, 1872-1942--Criticism and interpretation.
Mysticism in art.