Yeats, W.B. 1865-1939. Collected poems / W.B. Yeats ; Definitive ed., with the author's final revisions. - New York : Macmillan, 1956. - xv, 480 p. port. ; 22 cm. - 821.91 . Subjects--Geographic Terms: Ireland--Poetry. Dewey Class. No.: 821.91