Yeats, William Butler 1865-1939. The collected poems of W. B. Yeats / Yeats, W. B. - Definitive ed., with the author's final revisions. - New York : Macmillan Co., 1956. - xvii, 478 p. : front. (port.) ; 21 cm. Subjects--Topical Terms: Poetry (Poetic works by one author) Subjects--Geographic Terms: Ireland--Poetry