with contributions by Hans Belting...[et al. with contributions by Frank Bowling...[et al. with contributions by Jan Boelen ...[et al. with contributions by Jo Melvin ... [et al. with contributions by Avis Berman ...[et al. with contributions by Johanna Burton...[et al. with contributions by Fred Dennis...[et al. with contributions by Alan Phenix...[et al. with contributions by Chris Boylan ...[et al. with contributions by John Dean...[et al.