REFERENCE
- Harvard University Reading Course: (i) Instructor's Manual (ii) Comprehension Checks on the Films (iii) Selections for Improving Speed of Reading Comprehension (iv) Harvard University Reading Course Tests A, B and C; by William G. Perry Jr. Charles P. Whitlock Bureau of Study Counsel, Harvard University Harvard University Press Cambridge, , U.S.A. Published by (Copyright 1949, Sixth Printing 1960).