Edited by Ira R. Schwartz. edited by Leroy B. Schwarz. Edited by Bertram Schwartz. edited by J. C. P. Schwarz. edited by R. N. Haward. edited by Fred Schultz. edited by Ira B. Black. edited by George E. Wellwarth. edited by F.C. Steward. edited by H. Satz.