Columbia subject headings:
Harvard subject headings:
Medicine, Industrial--History--Congresses.
Medicine, Industrial.
Occupational physicians--Germany--Biography.
Social medicine
Social medicine--History--Congresses.
Teleky, Ludwig, 1872-1957--Congresses.
Teleky, Ludwig, 1872-1957.
Princeton subject headings:
Physicians--Biography.
Public health--History.
Social medicine--History.
Teleky, Ludwig, 1872-1957.