Columbia subject headings:
Intertextuality--Congresses.
Play in literature--Congresses.
Spanish poetry--20th century--History and criticism--Congresses.
Harvard subject headings:
Intertextuality--Congresses.
Play in literature--Congresses.
Spanish poetry--20th century--History and criticism--Congresses
Princeton subject headings:
Intertextuality--Congresses.
Play in literature--Congresses.
Spanish poetry--20th century--History and criticism--Congresses.