TY - BOOK AU - Dent,Ellsworth Charles AU - McCabe,Martha R. TI - Good references on pictures, maps, charts, etc., as classroom aids .. T2 - U.S. Office of Education. Bibliography AV - Z5811 .U42 no. 34 PY - 1935/// CY - Washington PB - U.S. Govt. Print. Off. KW - Visual education KW - Bibliography ER -