Columbia subject headings:
English poetry--20th century--History and criticism.
English poetry--Irish authors--History and criticism.
Ireland--In literature.
Ireland--Intellectual life--20th century.
Irish poetry--20th century--History and criticism.
Harvard subject headings:
English poetry--20th century--History and criticism
English poetry--Irish authors--History and criticism
Princeton subject headings:
English poetry--20th century--History and criticism.
English poetry--Irish authors--History and criticism.
Ireland--In literature.
Ireland--Intellectual life--20th century.
Irish poetry--20th century--History and criticism.