Boff, Leonardo. God's witnesses in the heart of the world / Leonardo Boff ; translated and edited by Robert Fath. - Chicago : Claret Center for Resources in Spirituality, 1981. - x, 285 p. Translation of: Testigos de Dios en el corazón del mundo. Bibliography: p. 267-284. Subjects--Topical Terms: Monastic and religious life. Dewey Class. No.: 248.894 / BOF