Columbia subject headings:
Harvard subject headings:
Migrant agricultural laborers--Italy--Puglia--Social conditions.
Migrant agricultural laborers--Italy--Puglia.
Puglia (Italy)--Emigration and immigration.
Princeton subject headings:
Migrant agricultural laborers--Italy--Puglia--Social conditions.
Migrant agricultural laborers--Italy--Puglia.
Puglia (Italy)--Emmigration and immigration.