Columbia subject headings:
Yeats, W. B. (William Butler), 1865-1939. Last poems & plays.
Harvard subject headings:
Ireland--In literature
Poetry
Yeats, W. B. (William Butler), 1865-1939 Last poems & plays.
Yeats, W. B. (William Butler), 1865-1939. Poems. Selections
Princeton subject headings:
Ireland--In literature.
Yeats, W. B. (William Butler), 1865-1939. Poems. Selections