Columbia subject headings:
Harvard subject headings:
Health officers--Germany--Cologne--Biography.
Physicians--Germany--Cologne--Biography.
Vonessen, Franz
Vonessen, Franz, 1892-1970
Princeton subject headings:
Medicine--Political aspects--Germany--Cologne--20th century.
Physicians--Germany--Cologne--Biography.
Public health--Germany--Cologne--History--20th century.
Vonessen, Franz, 1892-1970.