Minnesota Department of Health, Section of Public Health Nursing.The Public Health Nurse Serves the Family. Minneapolis, Minn., 1954 .
2.
Farr, James N., and others.Simplification of Flesch reading ease formula. J. Appl. Psychol.35, 333-337, Oct., 1951.
3.
U.S. Bureau of the Census.United States Census of Populations I950. General Characteristics, Minnesota . (Report P-B23.) Washington, D.C.U.S. Government Printing Office, 1952.
4.
Knutson, Andie L.Pretesting: a positive approach to evaluation . Pub. Health Rep., 67, 699-703, July, 1952.
5.
Ford, Marie, and Stief, Ruth.Pretesting a pamphlet for reader comprehension . J. Am. Dietet. A., 30, 29-33, Jan., 1954.
6.
Ford, Marie, and Hartman , Evelyn E.Measuring reader comprehension of a preschool pamphlet. Pub. Health Rep. , 69,498-502, May, 1954 .