Letter to Sir Thomas Barlow from William Osler, Oxford, Oxfordshire, England. Osler explains to the President of the Royal College of Physicians the fraud that was perpetrated against him by Dr. Riddle. He resents the accusation that he dragged the fair name of the College through the mud, for his conscience is clear in the matter. He feels he has no choice but to resign from the College. Includes manuscript notes.

Letter from Lloyd Roberts, 11, St. John Street, Manchester, England, to William Osler. Letter inserted in "Religio Medici," edited by Lloyd Roberts, 1898. Roberts believes that Osler's copy of the "Religio" originally belonged to Coleridge. [See CUS417/4.12].

Letter to William Osler from Edward Revere Osler. Revere writes of his observations of the battlefield and reports on the activities of his battery.

Letter to William Osler from Edward Revere Osler, Battalion Headquarters, S. Stafford. Revere writes that he was unexpectedly sent for to do a 48-hour liaison with a different battalion. He describes the battalion's facilities and the men's activities in the trenches. He looks forward to returning home to Oxford and reuniting with his family. Includes a partially completed letter to Grace Revere Osler, dated December 30th.

Letter to William Osler from M Sa'eed, Hassanahad, Tehran, Persia. Extract from letter referring to a book attributed to Rhazes and to Avicenna's tomb at Hamadan.

Letter to William Osler from E. Rogers, Gatling Villa, 267 Clapham Road, London, England. Rogers has an extra copy of "A Modern Sphinx" that he is willing to part with. There is a possibility that Rogers's novel on Dr. James Barry will be republished in the "Daily Mail."

Letter to William Osler from J. & J. Leighton, 40, Brewer Street, Golden Square, London, England. Leighton responds to Osler's inquiry into Johann Schall. Letter pasted in Osler's copy of Johann Schall's "Eusebius Historia Ecclesiastica," 1479. Includes manuscript notes.

Letter to William Osler from T.K. Monro, 12 Somerset Place, Glasgow, Scotland. "Bibliotheca Secunda. Charles Morrison, Scots Magazine." Monro delivers a progress report on his research into the later history of Charles Morrison.

Letter to William Osler from Charles R. Gibson, Lynton, Mansewood, by Pollokshaws. "Bibliotheca Secunda. Charles Morrison, Scots Magazine." Gibson sends a copy of his article on Charles Morrison's invention. He explains how he came to be interested in Morrison and wishes Osler luck with his own research.