Titcomb, Caldwell (1997). "The Earliest Ph.D. Awards to Blacks in the Natural Sciences". The Journal of Blacks in Higher Education (15): 92–99. doi:10.2307/2962707. JSTOR2962707. ProQuest195551578.
Titcomb, Caldwell (1997). "The Earliest Ph.D. Awards to Blacks in the Natural Sciences". The Journal of Blacks in Higher Education (15): 92–99. doi:10.2307/2962707. JSTOR2962707. ProQuest195551578.
Titcomb, Caldwell (1997). "The Earliest Ph.D. Awards to Blacks in the Natural Sciences". The Journal of Blacks in Higher Education (15): 92–99. doi:10.2307/2962707. JSTOR2962707. ProQuest195551578.
Mutahi, Teresa Theru (2014). Black women in science: African American women completing doctorate degrees in science, technology, engineering, and mathematics--Obstacles and success strategies (Thesis). ProQuest1536437491.