Columbia subject headings:
Harvard subject headings:
Mental health services--Germany (East)--History--Congresses.
Mentally ill--Germany (East)--History--Congresses.
Psychiatric hospitals--Germany (East)--History--Congresses.
Psychiatry--Germany (East)--History--Congresses.
Psychotherapy patients--Germany (East)--History--Congresses.
Princeton subject headings:
Mental health services--Germany (East)--Congresses.
Mentally ill--Germany (East)--Congresses.
Psychiatric hospitals--Germany (East)--History--Congresses.
Psychiatry--Germany (East)--History--Congresses.
Psychotherapy patients--Germany (East)--Congresses.