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	1.	Good references on education by radio ... Compiled by Cline M. Koon, senior specialist in education by radio and Martha R. McCabe, assistant librarian. U.S. Department of the Interior. Ray Lyman Wilbur, secretary. Office of Education. William John Cooper, commissioner. by Koon, Cline Morgan, 1894- McCabe, Martha R Series: Bibliography (United States. Office of Education) ; no. 6. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. Print. Off., 1932 Other title: Education by radio Availability: No items available. Add to cart (remove)
	2.	The art of teaching by radio, by Cline M. Koon, senior specialist in education by radio, Office of education... by Koon, Cline Morgan, 1894- Series: U. S. Office of education. Bulletin, 1933 ; no. 4 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. print. off., 1933 Availability: No items available. Add to cart (remove)
	3.	Sources of visual aids and equipment for instructional use in schools, compiled by Cline M. Koon. by Koon, Cline Morgan, 1894- [comp.] Series: U.S. Office of Education. Pamphlet ; no. 80 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. Print. Off., 1937 Availability: No items available. Add to cart (remove)
	4.	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. by Koon, Cline Morgan, 1894- American council on education Series: U. S. Office of education. Bulletin, 1938 ; no. 4 Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Washington, U.S. Govt. print. off., 1938] Availability: No items available. Add to cart (remove)

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