Fox, Stephen R. The guardian of Boston: William Monroe Trotter / [by] Stephen R. Fox. - [1st ed.] - New York : Atheneum, 1970. - ix, 307 p. ; 22 cm - Studies in American Negro life . Bibliography: p. [283]-296. Subjects--Personal Names: Trotter, William Monroe, 1872-1934. Subjects--Topical Terms: African Americans--History--1877-1964.