References
- Radio
- Braun , Everett C. and Stanley , Frederick Jackson . 1948 . Let's Broadcast: A text on the use of radio broadcasting as an educational tool in the secondary schools , Minneapolis , Minnesota : The Northwestern Press .
- Levenson , William B. 1945 . Teaching Through Radio , New York : Farrar & Rinehart, Inc. .
- Willey , Roy DeVerl and Young , Helen Ann . 1948 . Radio in Elementary Education , Boston , Mass. : D.C. Heath & Co. .
- Woelfel , Norman and Tyler , Keith I. 1945 . Radio and the School , Yonkers , N.Y. : World Book Co. .
- Polio
- The following pamphlets and visual aids are available free of charge from the National Foundation for Infantile Paralysis, Division of Public Education, 120 Broadway, New York 5, New York
- 101 Questions and Answers About Polio—1951. Poliomyelitis—A Source Book for High School Students. Teacher's Guide (to be used with Poliomyelitis—A Source Book for High School Students.) Chart—How the Polio Virus Affects Nerve Cells. Pictographs. Filmstrip—Facts Fight Fears (40 frames in color)