edited by Donald S. Davies and John L. Reid. edited by Daniel D. Evans, John L. Thames. edited by Donald L. Klass and George H. Emert. edited by Donald O. Thompson & Dale E. Chimenti. edited by Donald R. Nielsen, J. G. MacDonald. edited by John S. Najarian and John P. Delaney. edited by Donald R. Lessard. edited by John S. Najarian, John P. Delaney. edited by Sidney Davidson and Roman L. Weil edited by Donald B. McCormick, Lemuel D. Wright