Columbia subject headings:
Harvard subject headings:
Child sexual abuse--Germany--History--20th century--Congresses.
Children and sex--Germany--History--20th century--Congresses.
Children--Sexual behavior--Germany--History--20th century--Congresses.
Pedophilia--Germany--History--20th century--Congresses.
Princeton subject headings:
Child sexual abuse--Germany--History--20th century--Congresses.
Children and sex--Germany--History--20th century--Congresses.
Children--Sexual behavior--Germany--History--20th century--Congresses.
Pedophilia--Germany--History--20th century--Congresses.