1. Barnard, Chester I. 1938.The Functions of the Executive, 161–185. Cambridge: Harvard Press.
2. Blalock, Hubert. 1972.Social Statistics, 418–425. New York: McGraw Hill.
3. Brinton, Crane. 1952.The Anatomy of Revolution, 128–152. 155–179. New York: Random House.
4. The Effects of Natural Resource Camps on Youths
5. In-Service Programs for Teachers in Northwest Ohio