edited by H. S. Stephens and Christine A. Richardson. [edited by H. S. Stephens, Christine A. Richardson] [edited by T. E. Brock and Christine A. Richardson] edited by H. S. Stephens and Christine A. Stapleton edited by J.R.A. Pearson and S.M. Richardson. edited by A. H. Feller and Manley O. Hudson. edited by E. M. Bridges and D. A. Davidson. edited by Anthony Debons and Arvid G. Larson. edited by A. H. Rose and J. F. Wilkinson. edited by D.A. Linkens and D.P. Atherton.