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- 43047799 contributor B1041467.
- 43047799 contributor B1041468.
- 43047799 contributor B1041469.
- 43047799 created "1941.".
- 43047799 date "1941".
- 43047799 date "1941.".
- 43047799 dateCopyrighted "1941.".
- 43047799 extent "ix, 13 numb. l.".
- 43047799 issued "1941".
- 43047799 issued "1941.".
- 43047799 language "eng".
- 43047799 publisher "Washington, D.C., The Federal Radio Education Committee with the Cooperation of the U.S. Office of Education, Federal Security Agency,".
- 43047799 subject "371.333".
- 43047799 subject "LB1044.5 .F4".
- 43047799 subject "Radio in education.".
- 43047799 title "Classification of educational radio research.".
- 43047799 type "text".