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Franklin, V.P. “Patterns of Student Activism at Historically Black Universities in the United States and South Africa, 1960-1977." Journal of African American History, Vol. 88, No. 2, The History of Black Student Activism (Spring, 2003), pp. 204-217.
Pinard, Maurice, Jerome Kirk and Donald von Eschen. "Processes of Recruitment in the Sit-in Movement. The Public Opinion Quarterly, Vol. 33, No. 3 (Autumn, 1969), pp. 355-369.