Яков Кротов. Путешественник по времени.
Вспомогательные материалы.
Genke, Victor. Gottschalk of Orbais and the Controversy over his Teaching on Twofold Predestination. 55 pp.
Опись А, №41259.
Genke, Victor and Francis X. Gumerlock. Gottschalk and a Medieval Predestination Controversy, Texts Translated from the Latin. Mediaeval Philosophical Texts in Translation, 47. Milwaukee: Marquette University Press, 2010. Pp. 247.