Columbia subject headings:
Europe--Social conditions--To 1492.
Families--Europe--History--To 1500.
Social history--Medieval, 500-1500.
Harvard subject headings:
Europe--Social conditions--To 1492.
Families--Europe--History--To 1500.
Social history--Medieval, 500-1500
Princeton subject headings:
Europe--Social conditions--To 1492--Congresses.
Families--Europe--History--To 1500--Congresses.
Social history--Medieval, 500-1500--Congresses.