Columbia subject headings:
Harvard subject headings:
Medical policy--Germany--History--20th century--Congresses.
Medicine--Societies, etc.--History--20th century--Congresses.
Medicine--Specialties and specialists--Germany--History--20th century--Congresses.
National socialism and medicine--Congresses.
Princeton subject headings:
Medical policy--Germany--History--20th century--Congresses.
Medicine--Societies, etc.--History--20th century--Congresses.
Medicine--Specialties and specialists--Germany--History--20th century--Congresses.
National socialism and medicine--Congresses.