Series IV. Questionnaires and Listener Research. 1926-1962.
8 - 9 (Page: 1 - 10)
8, 1.
Who Hears KOAC?.
8, 2.
Letters from Homemakers. February 1932.
8, 3.
Radio Request Letters. December 1932.
8, 4.
Radio Study Clubs.
8, 5.
Audience Response.
8, 6.
Audience Response to KOAC Sale.
8, 7.
Correspondence Research.
8, 8.
Response to TV Teaching.
Audience Response.
8, 9.
1957.
8, 10.
1956.
8, 11.
1955.
8, 12.
1954.
9, 13.
1953.
9, 14.
1952.
9, 15.
1951.
9, 16.
1950.
9, 17.
1949.
9, 18.
1948.
9, 19.
1947.
9, 20.
School of the Air, Teachers Evaluations.
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11-17. - 1.
11-17. - 1.
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III. Annual Reports.
III. Annual Reports.