References
- Elizabeth H. Woellner, Requirements for Certification, University of Chicago Press, Chicago, 1975.
- Committee on the Undergraduate Program in Mathematics, Recommendations on Course Content for the Training of Teachers of Mathematics, Mathematical Association of America, August, 1971.
- K. D. Roose and C. J. Anderson, A Rating of Graduate Programs, American Council on Education, Washington, D.C., 1970, 97.
- Education Directory, 1971–77: Higher Education, Superintendent of Documents, U.S. Government Printing Office, #HE 5.250.50000–72.