1. and A-V Instruction: Materials and Methods. New York: McGraw-Hill Book Company, 1959, p. 364–365;
2. Audio-Visual Methods in Teaching. New York: Dryden Press, 1956, p. 167;
3. Instructional Materials. New York: Ronald Press, 1960, p. 240–241;
4. and Audio-Visual Materials: Their Mature and Use. New York: Harper, 1957, p. 258–260.