Martinus: "Heresy, Doctor Luther, Heresy!" ; The Person and Work of Christ - Nagel, Norman E (Nagel, Norman Edgar 1925-2019 (edt), Vieker, Jon D. (edt), Day, J. Bart (edt), Collver, Albert B. (hnr), Dona gratis donata: essays in honor of Norman Nagel on the occasion of his ninetieth birthday, 2015)