Damsholt, Torben. “G. L. Keyes: Christian Faith and the Interpretation of History. A Study of St. Augustine’s Philosophy of History. Lincoln, University of Nebraska Press, 1966. Xi + 206 S. $ 5,95”. Historisk Tidsskrift, bd. 12, januar 1970, https://tidsskrift.dk/historisktidsskrift/article/view/51049.