Columbia subject headings:
Harvard subject headings:
Puerto Rican literature--20th century--Periodicals.
Puerto Rican literature--History and criticism--Periodicals.
Spanish American literature--United States--Periodicals.
Princeton subject headings:
Puerto Rican literature--20th century--Periodicals.
Puerto Rican literature--History and criticism--Periodicals.
Spanish American literature--United States--Periodicals.