D. Zissos ; with contributions by J.C. Bathory. D. Zissos, with contributions by J. C. Bathory. Joel E. Ross ; with contributions by Susan Perry. with contributions by W. Burchard. Arthur H. Nilson ; with contributions by David Darwin. I.G. Macdonald, with contributions by A.V. Zelevinsky. with contributions by I. P. Breusova. Stephen Marshak ; with contributions by Donald Prothero. William P. Ziemer ; with contributions by Monica Torres. Bernard W. Pipkin, with contributions by D.D. Trent.