Helen W. Drutt...[et al.] Helen W. Drutt...[et al. Helen C. Derrick,...[et al.] Alice F. Artzt...[et al.] Ellen Lupton...[et al.] Alice F. Artzt...[et al. Allen H. Kelson,...[et al.] Chloe Ernst...[et al.] Helen C. Derrick,...[et al. Helen M. Robinson,...[et al.]