Columbia subject headings:
Harvard subject headings:
Basque literature--Foreign influences--Congresses.
Catalan literature--Foreign influences--Congresses.
Galician literature--Foreign influences--Congresses.
Iberian Peninsula--Literatures--History and criticism--Congresses.
Portuguese literature--Foreign influences--Congresses.
Spanish literature--Foreign influences--Congresses.
Princeton subject headings:
Basque literature--Foreign influences--Congresses.
Catalan literature--Foreign influences--Congresses.
Galician literature--Foreign influences--Congresses.
Iberian Peninsula--Literatures--History and criticism--Congresses.
Portuguese literature--Foreign influences--Congresses.
Spanish literature--Foreign influences--Congresses.