Rhodes, Jane. Mary Ann Shadd Cary: The Black Press and Protest in the Nineteenth Century. Indiana University Press, 1998. 112
qtd. in Rhodes, Jane. Breaking the Editorial Ice: Mary Ann Shadd Cary and The Provincial Freeman. University of North Carolina, 1992. 279
Matthew, Henry Colin Gray et al., editors. Oxford Dictionary of National Biography. http://www.oxforddnb.com/.