Columbia subject headings:
Harvard subject headings:
Medical sociologists--Germany--Berlin--Biography.
Psychoanalysis--Germany--Berlin--History.
Psychoanalysts--Germany--Berlin--Biography.
Simmel, Ernst, 1882-1947
Social medicine--Germany--Berlin.
Princeton subject headings:
Medical sociologists--Germany--Berlin--Biography.
Psychoanalysis--Germany--Berlin--History.
Psychoanalysts--Germany--Berlin--Biography.
Simmel, Ernst, 1882-1947.
Social medicine--Germany--Berlin.