edited by E. G. Hallsworth. edited by D.L. Hawksworth. Edited by H. E. Duckworth. edited by E. P. Wohlfarth. edited by C. A. Hogarth. edited by George E. Wellwarth. edited by F. Fallside. edited by P.J. Hills. edited by P.S. Falla. edited by R. M. A. Lieth.