Columbia subject headings:
Art and war--Congresses.
Art, Spanish--19th century--Congresses.
Art, Spanish--20th century--Congresses.
Harvard subject headings:
Art and war--Congresses.
Art, Spanish--19th century--Congresses.
Art, Spanish--20th century--Congresses.
Princeton subject headings:
Art and war--Congresses.
Art, Spanish--19th century--Congresses.
Art, Spanish--20th century--Congresses.