essays by Harry Cooper ... [et al. essays by Kay Heymer...[et al. essays by Gerardo Mosquera ... [et al. essays by Alison Fisher ... [et al. essays by Barry Bergdoll...[et al. essays by G Bruce Boyer ...[et al. essays by Kay Heymer...[et al.] essays by Lynne Cooke...[et al. essays by Ruth Barnes ... [et al. essays by Patricia Berman ... [et al.