Edited by A. I. Smith and A. M. Nicolson. edited by V. F. Zackay and H. I. Aaronson. edited by A. H. Rose and J. F. Wilkinson. edited by E. M. Bridges and D. A. Davidson. edited by G. L. Weissler and R. W. Carlson. edited by George Poste and Garth L. Nicolson. edited by F.L. LaQue and H.R. Copson. edited by R.G. Evans and S. Wilson. edited by W. J. B. Chater and J. L. Harrison. edited by D. Stevenson and I.D. Wilson.