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