Columbia subject headings:
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation.
Yeats, W. B. (William Butler), 1865-1939--Literary style.
Harvard subject headings:
Yeats, W. B. (William Butler), 1865-1939--Criticism and interpretation.
Yeats, W. B. (William Butler), 1865-1939--Literary style.
Princeton subject headings: