Columbia subject headings:
Families--Italy--Naples--Case studies.
Naples (Italy)--Social conditions.
Poor--Italy--Naples--Case studies.
Harvard subject headings:
Families--Italy--Naples--Longitudinal studies.
Naples (Italy)--Social conditions
Poor--Italy--Naples--Longitudinal studies.
Princeton subject headings:
Families--Italy--Naples--Case studies.
Naples (Italy)--Social conditions.
Poor--Italy--Naples--Case studies.