Helen C. Derrick,...[et al.] Helen C. Derrick,...[et al. Allen H. Kelson,...[et al.] Helen W. Drutt...[et al.] Helen M. Robinson,...[et al.] Allen H. Kelson,...[et al. Helen M.Robinson,...[et al.] Helen W. Drutt...[et al. Sister M. Maurice,...[et al.] Beatrice Landeck,...[et al.]