Augustine, Saint.. The City of God against the pagans : in 7 volumes. Volumes VI.. Book XVIII, chapter XXXVI - book XX / with an English translation by W.C. Greene, Ph.D. / . - Cambridge ; London : Harvard University Press ; William Heinemann Ltd., 1969 . - VIII, 454, 8 p. 17 cm. - ((The Loeb classical library ; 416) )