Williams, Reggie L. Christ-Centred Concreteness: The Christian Activism of Harriet Tubman, Dietrich Bonhoeffer, and Martin Luther King Jr - Journal of European Baptist Studies, Vol. 19, No. 1, Spring, 2019, pp. 127-142 2019 ISSN: 1213-1520 = Journal of European Baptist Studies Subjects--Personal Names: Williams, Reggie L.--Black author--McCormick Theological Seminary Subjects--Topical Terms: THST: Theology & Christian Philosophy--Topics