essays by G Bruce Boyer ...[et al. essays by Harry Cooper ... [et al. essays by Gerardo Mosquera ... [et al. essays by Alison Fisher ... [et al. essays by Antoine Picon ... [et al. essays by Bobbye Tigerman...[et al. essays by Daniel Buren ...[et al. essays by Kay Heymer...[et al. essays by Lynne Cooke...[et al. essays by Ruth Barnes ... [et al.