Columbia subject headings:
Harvard subject headings:
Catholic Church--Europe, Central--History.
Catholic Church--Europe, Eastern--History.
Church history--Middle Ages, 600-1500
Europe, Central--Church history.
Europe, Eastern--Church history.
Folklore--Europe, Central--Religious aspects--History.
Folklore--Europe, Eastern--Religious aspects--History.
Princeton subject headings:
Catholic Church--Europe, Central--History.
Catholic Church--Europe, Eastern--History.
Church history--Middle Ages, 600-1500.
Europe, Central--Church history.
Europe, Eastern--Church history.
Folklore--Europe, Central--Religious aspects--History.
Folklore--Europe, Eastern--Religious aspects--History.