Michael Amaladoss, SJ, "Nobili, Robert des," Gerald H. Anderson, ed., Biographical Dictionary of Christian Missions. Grand Rapids, MI: Cambridge, UK: Eerdmans, 1988. Pbk. ISBN: 0802846807. pp.498-499.
Stanley M. Guthrie, "Nobili, Robert de," A. Scott Moreau, ed., Evangelical Dictionary of Christian Missions. Grand Rapids: Baker, 2000. Hbk. ISBN: 0801020743. pp.694.