Teaching the new arithmetic; what to teach, how to teach it, provision for professional growth, Wilson, Guy Mitchell, 1876- [from old catalog] Stone, Mildred Browning, joint author. Dalrymple, Charles O., [from old catalog] joint author. Arithmetic Study and teaching. QA135 .W647 511 WIT New York and London, McGraw-Hill book company, inc., 1939. 1939. 1939 Text xi, 458 p. eng