00924cam a22002531 4500 e 46000050 DLC 20260227111233.0 720808s1944 dcu 000 0 eng c e 46000050 (OCoLC)375334 U.S. Office of Education ODaU NBrockU DLC premarc LB1044 .A6 no. 8 371.33523 Preston, Helen Hardt Seaton. A measure for audio-visual programs in schools, prepared for the Committee on Visual Aids in Education, by Helen Hardt Seaton. Washington, D.C., 1944. v, 40 p. 23 cm. American Council on Education. Studies. Ser. II. Motion pictures in education, no. 8 Audio-visual education American Council on Education. Committee on Visual Aids in Education. Audio-visual programs in schools. 22047 22047