Columbia subject headings:
Harvard subject headings:
British--Ireland
British--Ireland--Civilization.
Civilization, Celtic, in literature.
Difference (Psychology) in literature.
Ireland--In literature.
Marginality, Social, in literature.
Yeats, W. B. (William Butler), 1865-1939--Aesthetics.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--England.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Ireland.
Princeton subject headings:
Yeats, W. B. (William Butler), 1865-1939--Aesthetics.
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--England.
Yeats, W. B. (William Butler), 1865-1939--Knowledge--Ireland.