Columbia subject headings:
Spain--Civilization--711-1516--Congresses.
Harvard subject headings:
Christian pilgrims and pilgrimages--Spain--La Rioja--Congresses.
Christian pilgrims and pilgrimages--Spain--Santiago de Compostela--Congresses.
La Rioja (Spain)--Religious life and customs--Congresses.
Santiago de Compostela (Spain)--Religious life and customs--Congresses.
Spain--Civilization--711-1516--Congresses.
Spain--Social conditions--To 1800--Congresses.
Princeton subject headings:
Christian pilgrims and pilgrimages--Spain--La Rioja--Congresses.
Christian pilgrims and pilgrimages--Spain--Santiago de Compostela--Congresses.
La Rioja (Spain)--Religious life and custoims--Congresses.
Santiago de Compostela (Spain)--Religious life and customs--Congresses.