Columbia subject headings:
Harvard subject headings:
Pilgrims and pilgrimages--History--To 1500.
Pilgrims and pilgrimages--Political aspects.
Pilgrims and pilgrimages--Religious aspects.
Princeton subject headings:
Pilgrims and pilgrimages--History--To 1500.
Pilgrims and pilgrimages--Political aspects.
Pilgrims and pilgrimages--Religious aspects.