Catholicism and Racism - John T. McGreevy: Parish Boundaries. The Catholic Encounter with Race in the Twentieth-Century Urban North. (Chicago: University of Chicago Press, 1996. Pp. vi, 362. $27.50.) - David W. Southern: John LaFarge and the Limits of Catholic Interracialism, 1911–1963 (Baton Rouge: Louisiana State University Press, 1996. Pp. xxii, 420.$45.00.)