edited by R. M. A. Lieth. edited by E. P. Wohlfarth. edited by M.J. Collie. edited by M.T. Gillies. edited by C. A. Hogarth. edited by R.A. Smith. edited by E. G. Hallsworth. edited by H.D.L. Vervliet. edited by Eric A. Smith. edited by H. Smith.