Columbia subject headings:
Harvard subject headings:
Epidemics--Italy--Veneto--History--Congresses.
Veneto (Italy)--Population--Congresses.
Princeton subject headings:
Infants--Italy--Veneto--Mortality--Statistics.
Mortality--Italy--Veneto--Statistics.
Statistics.
Veneto (Italy)--Population--History.
Veneto (Italy)--Population--Statistics.