Columbia subject headings:
Margenat, Hugo--Criticism and interpretation.
Puerto Rican poetry--20th century--History and criticism.
Puerto Rican poetry--20th century.
Harvard subject headings:
Margenat, Hugo--Criticism and interpretation.
Puerto Rican poetry--20th century
Puerto Rican poetry--20th century--History and criticism.
Princeton subject headings:
Margenat, Hugo--Criticism and interpretation.
Puerto Rican poetry--20th century--History and criticism.
Puerto Rican poetry--20th century.