01565cam a22003011 4500 e 38000395 DLC 20260227111227.0 800327s1938 dcua 000 0 eng e 38000395 (OCoLC)6135963 DLC NjWP OCoLC DLC premarc L111 .A6 1938, no. 4 LB1044 .K665 Koon, Cline Morgan, 1894- School use of visual aids; an interpretative study of the data collected in the national survey of visual instruction in elementary and secondary schools, by Cline M. Koon, senior specialist in radio and visual education ... United States Department of the interior, Harold L. Ickes, secretary. Office of education, J.W. Studebaker, commissioner of education. [Washington, U.S. Govt. print. off., 1938] viii, 68 p. incl. illus., tables, diagrs. 23 cm. U. S. Office of education. Bulletin, 1938, no. 4 "The survey was made by the Office of education with the cooperation of the American council on education, in 1936." -- Foreword. Copies 1 and 2 of L111.A6 with: School custodian / James Frederick Rogers. Washington : U.S. Govt. Print. Off., 1938. Bound together subsequent to publication. DLC Contains references. Visual education. Motion pictures in education. American council on education. National survey of visual instruction in elementary and secondary schools. 21627 21627