African Americans in Boston More than 350 years Author Robert Hayden https://archive.org/stream/africanamericans00hayd_0#page/22/mode/2up
Abolitionists Leaders and Heroes in Boston https://www.nps.gov/boaf/learn/education/classrooms/upload/abolitionist-leaders-and-heroes-of-boston.pdf
Black Bostonians (it is a book in the gift shop and there is another one there)
Cooper, Valerie C. Word, Like Fire: Maria Stewart, the Bible, and the Rights of African Americans. Charlottesville: University of Virginia Press, 2012.
Nielsen, Euell A. "Maria W. Miller Stewart." Blackpast.org, Feb. 7,
Richardson, Marilyn, ed. Maria W. Stewart: America’s First Black Woman Political Writer: Essays and Speeches. Bloomington: Indiana University Press, 1987.