Columbia subject headings:
Harvard subject headings:
Euthanasia--Political aspects--Austria--History--20th century.
Mentally ill--Abuse of--Austria--History--20th century.
National socialism--Austria
People with mental disabilities--Abuse of--Austria--History--20th century.
Psychiatry--Political aspects--Austria--History--20th century.
Princeton subject headings:
Euthanasia--Political aspects--Austria--History--20th century.
Holocaust victims--Austria.
Mentally ill--Abuse of--Austria--History--20th century.
National socialism--Austria.
People with mental disabilities--Abuse of--Austria--History--20th century.
Psychiatry--Political aspects--Austria--History--20th century.