Columbia subject headings:
American poetry--20th century--History and criticism.
English poetry--20th century--History and criticism.
Esch, Arno, 1911-
Harvard subject headings:
American poetry--20th century--History and criticism
English poetry--20th century--History and criticism
Esch, Arno, 1911-
Princeton subject headings:
English poetry--20th century--History and criticism.
Esch, Arno, 1911-