Columbia subject headings:
Authors, Irish--19th century--Biography.
Yeats, W. B. (William Butler), 1865-1939.
Harvard subject headings:
Poets, Irish--20th century--Biography.
Yeats, W. B. (William Butler), 1865-1939
Princeton subject headings:
Poets, Irish--20th century--Biography.
Yeats, W. B. (William Butler), 1865-1939.