Personke, Carl and Yee, Albert H. Comprehensive Spelling: Theory, Research and Application. Scranton: International Textbook, 1971. Vernon, Magdalen D. Perception Through Experience. New York: Barnes and Noble, 1970. Schnepf, Virginia and Meyer, Odessa. Improving Your Reading Program. New York: Macmillan, 1971. Anderson, Paul S. Linguistics in the Elementary School Classroom. New York: Macmillan, 1971.
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