Columbia subject headings:
Museum Ludwig--Exhibitions.
Photography, Erotic--Exhibitions.
Harvard subject headings:
Art, Modern--20th century--Exhibitions
Art, Modern--21st century--Exhibitions
Gender identity in art--Exhibitions.
Homosexuality in art--Exhibitions.
Sex in art--Exhibitions.
Princeton subject headings:
Art, Modern--20th century--Exhibitions.
Art, Modern--21st century--Exhibitions.
Homosexuality in art--Exhibitions.
Sex in art--Exhibitions.