Columbia subject headings:
Harvard subject headings:
English poetry--19th century--History and criticism--Theory, etc.
English poetry--20th century--History and criticism--Theory, etc.
English poetry--Irish authors--History and criticism--Theory, etc.
Ireland--In literature.
Ireland--Intellectual life--19th century--Sources.
Ireland--Intellectual life--20th century--Sources.
Princeton subject headings:
English poetry--19th century--History and criticism.
English poetry--20th century--History and criticism.
English poetry--Irish authors--History and criticism.