Columbia subject headings:
Pornography--Germany--History.
Sex customs--Germany--History.
Harvard subject headings:
Booksellers and bookselling--Germany--History.
Censorship--Germany--History.
Erotic literature, German--History and criticism.
Pornography--Germany--History.
Publishers and publishing--Germany--History.
Sex customs--Germany--History.
Princeton subject headings:
Pornography--Germany--History.
Sex customs--Germany--History.