Columbia subject headings:
Curiosities and wonders--Museums--Japan.
Erotica--Museums--Japan.
Sex customs--Japan--History.
Sex customs--Museums--Japan.
Tourism--Japan--History--20th century.
Tourism--Japan--History--21st century.
Harvard subject headings:
Curiosities and wonders--Museums--Japan.
Erotica--Museums--Japan.
Sex customs--Japan--History and criticism.
Sex customs--Museums--Japan.
Tourism--Japan--20th century--History and criticism.
Tourism--Japan--21st century--History and criticism.
Princeton subject headings:
Curiosities and wonders--Museums--Japan.
Erotica--Museums--Japan.
Sex customs--Japan--History and criticism.
Sex customs--Museums--Japan.
Tourism--Japan--20th century--History and criticism.
Tourism--Japan--21st century--History and criticism.