The finite two-loop effective action in the N = 1 supersymmetric sigma-model: M. Leblanc. Center for Theoretical Physics and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139; R. B. Mann. Department of Physics, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1; D. G. C. McKeon. Department of Applied Mathematics, University of Western Ontario, London, Ontario, Canada N6A 5B9; and M. Wehlau. Department of Physics, Brandeis University, Waltham, Massachusetts 02254