[1931] Origenis in Numeros Homilia XIII, Migne, PG, XII, 670-677. In at least one medieval manuscript we find the homily upon Balaam preserved separately, BN 13350, 12th century, fol. 92v, et omeliae de Balaham et Balach.
[1932] W. H. Bennett, Balaam, in EB, 11th edition.
[1933] One cannot help wondering whether Pharaoh’s magicians lost their rods for good as a result of this manœuvre, but it is a point upon which the Scriptural narrative fails to enlighten us.
[1934] II, 15-16.
[1935] Antiq., IV, 6.
[1936] Johannis Hildeshemensis, Liber de trium regum translatione, 1478, cap. 2.
[1937] E. W. Hengstenberg, Die Geschichte Bileams und seine Weissagungen, Berlin, 1842. Hengstenberg tried to take middle ground between Philo Judaeus, Ambrose, Augustine, Gregory of Nyssa, Theodoret, and others who regarded Balaam as a godless false prophet and magician, and the contrary opinion of Tertullian, Jerome, and some moderns who hold that Balaam was originally a devout man and true prophet who fell through his covetousness.
[1938] “Et ideo quasi expertus in talibus in opinione erat omnibus qui erant in Oriente ... Certus ergo Balach de hoc et frequenter expertus.”
[1939] In Homily XIV.
[1940] Migne, PG, XII, 1011-28.