Columbia subject headings:
Harvard subject headings:
Civilization, Medieval--13th century
Europe--Civilization.
Europe--Politics and government--476-1492.
Europe--Religious life and customs.
Lorcin, Marie-Thérèse--Bibliography.
Princeton subject headings:
Europe--Civilization--13th century.
Europe--Politics and government--13th century.
Europe--Religious life and customs--13th century.
Lorcin, Marie-Thérèse--Bibliography.
Thirteenth century.