1. Erickson, T. A., 1956. My Sixty Years With Rural Youth. Univ. Minn. Press, Minneapolis, MN.
2. 4-H: A Story;Hinshaw,1935
3. The Means and Methods of Agricultural Education;Leake,1915
4. Lord, R., 1939. The Agrarian Revival: A Study of Agricultural Extension. Amer. Assoc. Adult Educ, New York, NY.
5. Students Show Low Awareness of Agricultural Careers;Mallory;California Agric.,1986