TY - BOOK AU - Hoban,Charles Francis AU - McCabe,Martha R. TI - Good references on visual aids in education: Research studies .. T2 - U.S. Office of Education. Bibliography AV - Z5811 .U42 no. 35 PY - 1939/// CY - Washington PB - U.S. Govt. Print. Off. KW - Visual education KW - Bibliography KW - Motion pictures in education ER -