Florence Bernstein Freedman, William Douglas O'Connor: Walt Whitman's Chosen Knight, (Athens, Ohio: Ohio University Press: 1985, £35). Pp. xiv, 368. ISBN 0 8214 0767 8.Dennis Berthold and Kenneth Price, Dear Brother Walt: The Letters of Thomas Jefferson Whitman (Kent, Ohio: The Kent State University Press, 1984, $27.50). Pp. xl, 202. ISBN 0 87338 297 8.Agnieszka Saiska, Walt Whitman and Emily Dickinson: Poetry of the Central Consciousness (Philadelphia, Pennsylvania: University of Pennsylvania Press, 1985, £13.95). Pp. xii, 220. ISBN 0 8122 1203 7.