[1981] De principiis, I, 7.
[1982] V, 10.
[1983] Deut., IV, 19-20.
[1984] V, 12.
[1985] I, 59.
[1986] V, 11.
[1987] P. D. Huet, Origenianorum Lib. II, Cap. II, Quaestio VIII, De astris, in Migne, Patrologia Graeca, XVII, 973, et seq.
[1988] XVII, 28.
[1989] “In prooemio libri prioris eiusdem Περὶ ἀρχῶν, num. 10.”
[1990] Eusebius, Praep. Evang., VI, 11, in Migne, PG, XXI, 477-506.