Columbia subject headings:
Harvard subject headings:
Children with mental disabilities--Germany--Heidelberg--History--20th century.
Euthanasia--Germany--Congresses.
Euthanasia--Germany--Heidelberg--History--20th century.
National socialism and medicine--Congresses.
National socialism and medicine.
Psychiatry--Research--Germany--Congresses.
Psychiatry--Research--Germany--Heidelberg--History--20th century.
Universität Heidelberg.
Universität Heidelberg. Psychiatrische Klinik--Congresses.
Princeton subject headings:
Children with mental disabilities--Germany--Heidelberg--History--20th century.
Euthanasia--Germany--Heidelberg--History--20th century.
National socialism and medicine.
Psychiatry--Research--Germany--Heidelberg--History--20th century.