edited by I.W. McDonald and A.C.I. Warner. edited by D.C. McDonald and D.B. Morrison. edited by I.M. MacLeod and A.D. Heher. edited by J.J. Becker and J.C. Bonner. edited by A.C. Knipe & W.E. Watts. edited by Frank B. McDonald and Carl E. Fichtel. edited by Andrew S. Warner. edited by Donald E. Baxa. edited by Donald R. Coates. edited by Donald R. Lessard.