Urban, Wayne J. “The Making Of A Teacher’s Union: The National Education Association, USA, 1957-1973”. Historical Studies in Education / Revue d’histoire de l’éducation 5, no. 1 (May 1, 1993): 33-53. Accessed March 28, 2024. https://historicalstudiesineducation.ca/hse/index.php/edu_hse-rhe/article/view/998.