Columbia subject headings:
Harvard subject headings:
Communicable diseases--Italy--History--Sources.
Malaria--Italy--History--Sources.
Public health--Italy--History--Sources.
Sanitation--Law and legislation--Italy--History--Sources.
Princeton subject headings:
Communicable diseases--Italy--History--Sources.
Malaria--Italy--History--Sources.
Public health--Italy--History--Sources.
Sanitation--Law and legislation--Italy--History--Sources.