Columbia subject headings:
Europe--Social life and customs.
Love--Europe--History.
Marriage--Europe--History.
Social history--Medieval, 500-1500.
Harvard subject headings:
Europe--Social life and customs.
Love--Europe--History--Congresses.
Love--Europe--History.
Marriage customs and rites, Medieval.
Marriage--Europe--History--Congresses.
Marriage--Europe--History.
Social history--Medieval, 500-1500
Princeton subject headings:
Love--History.
Marriage--History.