Harmon, D.B.: Some preliminary observations on the developmental problems of 160,000 elementary school children. Medical Woman's J., 1942, 49(3), 75-82.
Harmon, D.B.: The Coordinated Classroom. Grand Rapids: American Seating Co., 1949 (Rev. 1951).
6.
Harmon, D. et al.: A preliminary study of the relation of sustained visually-centered activity and certain types of chalkboards. Coordinated Classroom Papers, No. 1, 1952.
7.
Harmon, D.: The school of tomorrow. The Nation's Schools, 1953, 51 (1), 79-81. (a)
8.
Harmon, D.: Are we confusing eyes with vision? Illuminating Engineering , 1953, 48(4), 209-211. (b)
9.
Harmon, D.B.: Notes on a Dynamic Theory of Vision. Published by the author, Austin, Texas, 1958.
10.
Harmon, D.: Restrained Performance as a Contributing Cause of Visual Problems. Address delivered to Southwestern Congress of Optometry, 1965 .
11.
Harmon, D.: Unpublished notes on a series of seminars given at the Pathway School , Audubon, Pa., 1966.
12.
Kagan, J.: Change and Continuity in Infancy. New York: Wiley, 1971.
Riesen, A.: Plasticity of behavior: psychological aspects. In Harlow & Woolsey (Eds.), Biological and Biochemical Bases of Behavior. Madison: U. of Wisc. Press, 1958 , 425-450.