editors, Ruth A. Reck and John R. Hummel. editors, Attilio Maseri and John F. Goodwin. editors, Melvin Month and John C. Herrera. editors, John J. Hooks and George W. Jordan. editors, D.F. Mettrick and S.S. Desser. editors, H. Walther and K. W. Rothe. editors, K. L. Kompa and S. D. Smith. editors, Luc Steels and J.A. Campbell. editors, P.H. Damgaard and H. Huffel. editors, Francis C. Colpaert and John A. Rosecrans.