Columbia subject headings:
Yeats, W. B. (William Butler), 1865-1939.
Harvard subject headings:
Gwynn, Stephen Lucius, 1864-1950
Yeats, W. B. (William Butler), 1865-1939
Princeton subject headings:
Gwynn, Stephen Lucius, 1864-1950.
Yeats, W. B. (William Butler), 1865-1939.