Note 63 — Chapter XXIII · FURTHER PROGRESS OF MEDICINE AND SURGERY IN WESTERN EUROPE DURING THE THIRTEENTH, FOURTEENTH AND A PART OF THE FIFTEENTH CENTURIES
Reading edition
According to Daremberg (Histoire des Sciences Médicales, Vol. I., p. 264) the title “Doctor” appears for the first time in the Preface of Roger’s treatise (1180 A. D.).