Columbia subject headings:
Public health--United States--History--Exhibitions.
United States. Public Health Service--History--Exhibitions.
United States. Public Health Service--Pictorial works--Exhibitions.
Harvard subject headings:
Public health--United States--History--Exhibitions.
Public health--United States--History.
United States. Public Health Service--History--Exhibitions.
United States. Public Health Service--History.
United States. Public Health Service--Pictorial works--Exhibitions.
United States. Public Health Service--Pictorial works.
Princeton subject headings:
Public health--United States--History.
United States. Public Health Service--History.
United States. Public Health Service--Pictorial works.