with contributions by Holger Broeker ... [et al. with contributions by Charles Brock ... [et al. with contributions by Roger Black ...[et al. with contributions by Erica Cooke ... [et al. with contributions by Peter Baelz ... [et al. with contributions by Thelma Golden ... [et al. with contributions by Trevor Fairbrother ... [et al. with contributions by Allie Biswas ... [et al. with contributions by Andreas Beyer ...[et al. with contributions by Brian Clarke ... [et al.