CAMPBELL, R. F. , J. E. CORBALLY, JR., and J. A. RAMSEYER (1966) Introduction to Educational Administration. Boston: Allyn & Bacon.
2.
National Commission for the Defense of Democracy Through Education (1945) Certain Personnel Practices in the Chicago Public Schools. Washington, D.C.: NEA.
3.
ZIEGLER, HARMON (1967) The Political Life of American Teachers. Englewood Cliffs, N.J.: Prentice-Hall.
