edited by Ralph J. Hexter and David Townsend. edited by Barry H. Potter and Jack Diamond edited by Cole Swensen and David St. John. edited by David A. Winter and Nick Reed. edited by Stephen M. Barber and David L. Clark edited by Maisha Wester and Xavier Aldana Reyes. edited by Arnulf Grubler and David Fisk. edited by Glyn Davies and Eleanor Townsend edited by Peter Drysdale and David Vines. edited by A. G. Poynter and G. Atkinson