edited by I. Gladwell, D. K. Sayers. edited by A.T. Bull, J.H. Slater. edited by J. W. S. Hearle and R. H. Peters. edited by Douglas B. Walters. edited by G.G. Meynell, H. Gooder. edited by K.L. Zirm and J. Mayer. edited by Michael T. Bowers. edited by J.M. Poate, James W. Mayer. edited by E. R. Sears and L. M. S. Sears. edited by R. T. Holman & others.