contributions by George Hargreaves ... [et al.] contributions by Barry Friedman ... [et al.] contributions by Simon Castets ... [et al.] contributions by Dirk Snauwaert ... [et al.]. contributions by Vivienne Becker ...[et al.] contributions by Isabelle Dervaux ...[et al.] contributions by Jill Gasparina...[et al.] contributions by Yve-Alain Bois...[et al.] contributions from Ann Dinsdale ... [et al.] with contributions by Kosme de Baraano ... [et al.].