E.C. Kirkland (1942). "Academic Freedom and Tenure: State Teachers College, Murfreesboro, Tennessee". Bulletin of the American Association of University Professors. 28 (5): 662–667. doi:10.2307/40220396. JSTOR40220396.
E.C. Kirkland (1942). "Academic Freedom and Tenure: State Teachers College, Murfreesboro, Tennessee". Bulletin of the American Association of University Professors. 28 (5): 662–667. doi:10.2307/40220396. JSTOR40220396.