edited by D. J. Bell and B. M. Freeman. edited by K. W. McVoy and W. A. Friedman. edited by P. C. Kearney and D. D. Kaufman. edited by H. van Lelyveld and B.C.J. Zoeteman. edited by W.N. Everitt and B.D. Sleeman. edited by C.T. Brett and J.R. Hillman. edited by E. A. Godby and J. Otterman. edited by Harry W. Gehm and Jacob I. Bregman. edited by I. Laine and S. Rickman. edited by C.M. Campbell and E.F. Robertson.