edited by Robert J. Gray and James L. McCall. edited by Robert J. Henning, David L. Jackson. edited by Robert A. Goyer, Myron A. Mehlman. edited by Robert Shapard and James Thomas. edited by Robert H. Logie and Robin G. Morris. edited by Robert Hanham,...et al. edited by Robert M. Berne, Matthew N. Levy. edited by Robert O. Scow ... [et al.]. edited by Robert R. Pascal ... [et al.]. edited by Robert W. Parkey ... [et al.].