by Cecil C. Handisyde; with a foreword by A.H. Moberly. by Edgar C. Smith ; with a foreword by P.J. Cowan. by F. C. Orchard, with a foreword by H. C. Harland. by B. J. Chalmers. With a foreword by T. H. Mason. by Reta C. Moser ; with a foreword by Bill M. Woods. by Sydney F. Page ; with a foreword by W. E. Walters. E. M. H. Lips, with a foreword by G. V. Stabler. by J.S. Marsh ; with a foreword by John Johnston. by P.Beiss, K.Dalal and R.Peters; with a foreword by D.L. Schaefer. Luis A. Santalo ; with a foreword by Mark Kac.