Columbia subject headings:
Harvard subject headings:
American poetry--20th century--Periodicals
American poetry--History and criticism--Periodicals.
English poetry--20th century--Periodicals
English poetry--History and criticism--Periodicals.
Princeton subject headings:
American poetry--20th century--Periodicals.
American poetry--History and criticism--Periodicals.
English poetry--20th century--Periodicals.
English poetry--History and criticism--Periodicals.
Periodicals.