00861cam a22002411 4500 e 41000071 DLC 20260227111230.0 830203m19401941dcuac b 000 0 eng c e 41000071 (OCoLC)9185916 U.S. Off. of educ. KWiU OCoLC DLC premarc LB1044.5 .N38 371.333 National Education Association of the United States. Department of Elementary School Principals. Radio and the classroom. Washington, D.C., The Dept. of elementary school principals of the National education association, 1940-41. 3 p. leaf, 9-97 p. illus. (incl. port.) 23 cm. "Selected bibliography on radio in education": p. 95-97. Radio in education. Radio broadcasting. 21802 21802