Columbia subject headings:
English literature--20th century--History and criticism.
English literature--Irish authors--History and criticism.
Irish question in literature.
Harvard subject headings:
English literature--19th century--History and criticism
English literature--20th century--History and criticism
English literature--Irish authors--History and criticism
Politics and literature.
Princeton subject headings:
English literature--20th century--History and criticism.
English literature--Irish authors--History and criticism.
Irish question in literature.