[by] F.D. Gunstone, D.M. Smith [and] J.T. Sharp. With a foreword by J.I.G. Cadogan. [by] E. R. King and T. G. Mitchell. With a foreword by B. W. Hogan. [by] R.A. Faires [and] B.H. Parks. With a foreword by Henry Seligman. by R. C. Brimley and F. C. Barrett. With a foreword by E. C. Bate-Smith. by K. Saddington and W. L. Templeton. With a foreward by J. C. C. Stewart. by B. J. Chalmers. With a foreword by T. H. Mason. [by] C.A. Edwards and G.W. Heath. With a foreword by V.B. Wigglesworth. edited by R.C. Nairn ; with a foreword by J.R. Marrack. by B. Randell and L. J. Russell. With a foreword by E. W. Dijkstra. by N. H. Hartshorne ... and A. Stuart ... with a foreword by Prof. G.T. Morgan ..