Webb, C. C. I. See John of Salisbury.
Webster, Hutton. Rest Days, 1916.
Wedel, T. C. The Medieval Attitude toward Astrology particularly in England, Yale University Press, 1920.
Wellmann, Max. ed. Dioscorides de materia medica, 1907, 1906.
Die Schrift des Dioskurides Περὶ ἁπλῶν φαρμακῶν, 1914.
White, A. D. A History of the Warfare of Science with Theology in Christendom, New York, 1896, 2 vols.
Wickersheimer, Ernest. Figures médico-astrologiques des neuvième, dixième et onzième siècles, in Transactions of the Seventeenth International Congress of Medicine, Section XXIII, History of Medicine, London, 1913, p. 313 ff.
William of Auvergne. Opera omnia, Venice, 1591.
Withington, E. T. Medical History from the Earliest Times, London, 1894.
Wright, Thomas. Popular Treatises on Science written during the middle ages in Anglo-Saxon, Anglo-Norman, and English, London, 1841.
ed. Alexander Neckam De naturis rerum, in RS vol. 34, 1863.
Wulf, M. de. History of Medieval Philosophy, 1909, English translation.