[988] Grabmann (1916), pp. 143-4, 175-6, 186-7, 198.
[989] BN 17155, 13th century, fol. 225-.
[990] Brown, 145.
[991] Brown, 119, Brewer (1859), p. 91.
[992] Meteor. III, iv. 26 (Borgnet, IV, 697).
[993] See Jourdain, Recherches, etc., and more recently H. Stadler, “Irrtümer des Albertus Magnus bei Benutzung des Aristoteles,” in Archiv f. d. Gesch. d. Naturwissenschaften u. d. Technik, VI (1913) 387-93.
[994] De Renzi, I, 292.
[995] Canon. Misc. 555, fol. 6.
[996] Sphere (1518), p. 106.
[997] Ibid., p. 107.