LELAND STANFORD JUNIOR UNIVERSITS NORMAL HIGHER ARITHMETIC, DESIGNED FOR COMMON SCHOOLS, HIGH SCHOOLS, NORMAL SCHOOLS, BY EDWARD BROOKS, A. M., PH. D., SUPERINTENDENT OF PUBLIC SCHOOLS OF PHILADELPHIA, "NOR- FORMER PRINCIPAL OF STATE NORMAL SCHOOL, PENNSYLVANIA, AND AUTHOR Theory and Practice, properly combined, give the desirable results of mental PHILADELPHIA CHRISTOPHER SOWER COMPANY, 614 ARCH STREET. |