Columbia subject headings:
Dreams in literature.
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation.
Harvard subject headings:
Dreams in literature.
Poetry--Psychological aspects
Political poetry, English--History and criticism.
Politics and literature--Ireland--History.
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation.
Yeats, W. B. (William Butler), 1865-1939--Poetic works.
Princeton subject headings:
Dreams in literature.
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation.