Columbia subject headings:
Architecture, Gothic--Spain--Congresses.
Church architecture--Spain--Congresses.
Doorways--Spain--Congresses.
Sculpture, Gothic--Spain--Congresses.
Stone carving--Spain--Congresses.
Harvard subject headings:
Architecture, Gothic--Spain--Congresses.
Church architecture--Spain--Congresses.
Doorways--Spain--Congresses.
Sculpture, Gothic--Spain--Congresses.
Stone carving--Spain--Congresses.
Princeton subject headings: