The Letters of A.E. Housman Edited by Archie Burnett (Oxford University Press, 2 volumes, 643 pp. and 585 pp., $330) I. FOR MORE YEARS than I care to think about, I have been haunted in a variety of ways by the acerbic and enigmatic ghost of A.E. Housman. It began with A Shropshire Lad, which I discovered (when else?) early in adolescence.