edited by Allan K. Smith and Sidney J. Circle. edited by Carolyn D. Smith and William Kornblum. edited by Allan Nevins and Louis M. Hacker. edited by Madan G. Singh and Andr鈋 Titli. edited by R. Meredith and J. W. S. Hearle. edited by Peter M. Bainum and Dietrich E. Koelle. edited by George Klein and Sidney Weinhouse. edited by Yeun C. Wu and Ed D. Smith. edited by A.S. Tooth and J. Spence. edited by Laurence J.C. Ma and Allen G. Noble.