Vision and revision : in Yeats's Last poems / Jon Stallworthy. Stallworthy, Jon. Yeats, W. B. (William Butler), 1865-1939. Last poems. PR5907 .S758 821.91 YES Bibliography: p. 175-176. Oxford : Clarendon, 1969. 1969. 1969 Text 181 p. : eng Ireland In literature.