Columbia subject headings:
Architecture--Spain--History--19th century--Congresses.
Architecture--Spain--History--20th century--Congresses.
Eclecticism in architecture--Spain--Congresses.
Harvard subject headings:
Architecture, Modern--19th century--Spain.
Architecture, Modern--20th century--Spain.
Architecture--Spain--Congresses.
Architecture--Spain--Periodicals.
Eclecticism in architecture--Spain.
Princeton subject headings:
Architecture, Modern--19th century--Spain.
Architecture, Modern--20th century--Spain.
Eclecticism in architecture--Spain.