Columbia subject headings:
Basque poetry--20th century.
Catalan poetry--20th century.
Galician poetry--20th century.
Spain--Literatures.
Spanish poetry--20th century.
Harvard subject headings:
Basque poetry--20th century.
Catalan poetry--20th century.
Galician poetry--20th century.
Spain--Literatures.
Spanish poetry--20th century
Princeton subject headings:
Spain--Languages--Congresses.
Spanish poetry--20th century--History and criticism--Congresses.