Walter B. Meigs,...[et al.] Walter B. Meigs,...[et al. Walter G. Cowan,...[ et al.] Walter G. Cowan,...[ et al. Herbert H. Gross,...[et al.] Sister M. Maurice,...[et al.] par Beryl T. Atkins,...[et al.] Kathleen B. Hester,...[et al.] Patrick Suppes,...[et al.] Herbert H. Gross,...[et al.