The Collected Works of W. B. Yeats, Volume XIII: A Vision is part of a fourteen-volume series under the general editorship of eminent Yeats scholar George Bornstein and formerly the late Richard J. Finneran and George Mills Harper. One of the strangest works of literary modernism, A Vision is Yeats's greatest occult work. Edited by Yeats scholars Catherine E. Paul and Margaret Mills Harper, the volume presents the "system" of...