Columbia subject headings:
Harvard subject headings:
Bremer Nervenklinik--History--20th century.
Bremer Nervenklinik.
Euthanasia--Political aspects--Germany--Bremen--History--20th century.
Killing of the mentally ill--Germany--Bremen--History--20th century.
Landesheilanstalt Hadamar--History--20th century.
Mentally ill--Abuse of--Germany--Bremen--History--20th century.
Międzyrzecz (Poland)--History--20th century.
National socialism--History.
National socialism.
Princeton subject headings:
Bremer Nervenklinik.
Euthanasia--Germany--Bremen--History--20th century.
National socialism and medicine--Germany--Bremen.
People with mental disabilities--Germany--Bremen--History--20th century.
Psychiatric hospitals--Germany--Bremen--History--20th century.