[70] Beazley’s monumental work, previously cited, considers the geographical knowledge of the Christian middle ages, from the closing years of the Western Roman Empire to the early years of the fifteenth century. See especially Vol. I, chap. vi; Vol. II, chap. vi; Vol. III, chap. vi. Marinelli, G. Die Erdkunde bei den Kirchvätern. Leipzig, 1884; Kretschmer, K. Die physische Erdkunde im christlichen Mittelalter. Wien, 1889; Cosmas Indicopleustes. Christian Topography, tr. by J. M. McCrindle. (In: Hakluyt Society Publications. London, 1897); Günther, S. Die kosmographischen Anschauung des Mittelalters. (In: Deutsch. Rundschau für Geographie und Statistik. Vol. IV, pp. 135 ff.) [71] Zöckler, O. Geschichte der Beziehungen zwischen Theologie und Naturwissenschaft. Gütersloh, 1877. pp. 122 ff.; White, A. D. A History of the Warfare of Science with Theology in Christendom. New York, 1895-1897. See especially chaps. ii-iii. See also references in note 1. [72] Isaiah, chap. xl, v. 20; Ezechiel, chap. xxxviii, v. 12; Job, chap, xxvi, v. 7, 10; Psalm cxxxvi, 6. [73] Note summary and citations in Kretschmer, op. cit. [74] Note citations in Kretschmer, op. cit. [75] See his works, Etymologia, 3, 24-71, and De natura rerum, 9-27. Brehaut, E. An Encyclopedist of the Dark Ages. Isidore of Seville. (In: Studies in History, Economics and Public Law, Columbia University. New York, 1912. Vol. xlviii, No. 1.) It must be admitted that there is considerable incoherence in the views of the world as expressed by the great majority of the mediaeval writers. One not infrequently lands in confusion when undertaking an investigation of their opinions. [76] Beda. Opuscula scientifica. Ed. by J. A. Giles. London, 1843. See De natura rerum, chap. xlvi, titled, “Terram globo similem.” [77] West, A. F. Alcuin and the Rise of Christian Schools. New York, 1892; Mullinger, J. B. The Schools of Charles the Great. New York, 1911; Fellner, R. Kompendium der Naturwissenschaften an der Schule zu Fulda. Berlin, 1879. The real founder of the monastic schools was Hrabanus Maurus, who was a pupil of Alcuin, and who carried to the monastery of Fulda that Englishman’s love for the Quadrivium. [78] Günther, S.-Fiorini, M. Erd- und Himmelsgloben. Leipzig, 1895. p. 19. [79] Specht, F. A. Geschichte des Unterrichtswesen in Deutschland von den ältesten Zeiten bis zur Mitte des XIII Jahrhunderts. Stuttgart, 1885. pp. 127 ff. [80] Günther-Fiorini, op. cit., p. 18, n. 4, refers to a star map made in the monastery of St. Emeran in the early fifteenth century, and now belonging to the K. K. Hof- und Staats-Bibliothek of Munich, which was intended for a “Compositio spere solido.” [81] Arx, J. v. Geschichte des Kantons St. Gallen. St. Gallen, 1810. p. 265. [82] Büdinger, M. Über Gerberts wissenschaftliche und politische Stellung. Marburg, 1851; Werner, K. Gerbert von Aurillac, die Kirche und die Wissenschaft seiner Zeit. Wien, 1878. [83] Büdinger, op. cit., p. 38.