Columbia subject headings:
English literature--Irish authors--History and criticism.
Ireland--In literature.
Irish literature--History and criticism.
Northern Ireland--In literature.
Harvard subject headings:
English literature--Irish authors--History and criticism
Ireland--Civilization.
Ireland--In literature.
Irish literature--History and criticism
Northern Ireland--Civilization.
Northern Ireland--In literature.
Princeton subject headings:
English literature--Irish authors--History and criticism.
Ireland--In literature.
Irish literature--History and criticism.
Northern Ireland--In literature.