1. Commission on the English Curriculum of the National Council of Teachers of English. “The Program in Listening,” and “Teaching Listening,” in The English Language Arts (New York: Appleton-Century-Crofts, 1954), pp. 328–47, 457, 458.
2. How We Teach Listening
3. Listening and learning
4. Goldstein, Harry. Reading and Listening Comprehension at Various Controlled Rates, Contributions to Education No. 821 (New York: Teachers College, Columbia University, 1940), pp.58–63.
5. Irvin, Charles E. An Analysis of Certain Aspects of a Listening Training Program Among College Freshmen at Michigan State College, unpublished Doctor’s Dissertation, Michigan State College, 1952.