Columbia subject headings:
Harvard subject headings:
Families--Europe--History--Congresses.
Families--Italy--History--Congresses.
Home economics--Europe--History--Congresses.
Home economics--Italy--History--Congresses.
Women--Italy--Social conditions--Congresses.
Princeton subject headings:
Families--Europe--History--Congresses.
Families--Italy--History--Congresses.
Home economics--Europe--History--Congresses.
Home economics--Italy--History--Congresses.
Women--Italy--Social conditions--Congresses.