Harmony in the Metropolis: Writings on Medieval and Tudor London and Westminster - Medieval Westminster, 1200–1540. By Gervase Rosser. New York:Oxford University Press, Clarendon Press, 1989. Pp. xvii + 425. $74.00. - Worlds within Worlds: The Structures of Life in Sixteenth-Century London. By Steve Rappaport. Cambridge Studies in Population, Economy and Society in Past Time, no. 7. New York: Cambridge University Press, 1989. Pp. xv + 449. $54.50. - London and the Reformation. By Susan Brigden. New York: Oxford University Press, Clarendon Press, 1989. Pp. xix + 676. $82.00.