"Charles Arthur Mercier, M.D. 1852-1919," by Henry Viets. Reprinted from the Archives of Neurology and Psychiatry, November 1919, Vol. II, pp.577-579.

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.

"Bibliotheca Osleriana. I Introduction. The Collection of a Library," by Osler.

Cushing's handwritten manuscript notes concerning publications in Osler's collection.

Cushing's handwritten manuscript notes concerning how Osler wanted his library arranged.

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.

"Notes from books." Notes found in "Cursory Remarks on Corpulence or Obesity...," signed by A.M. Broadley. Includes manuscript notes.

"Notes in books." Osler's notes on fly leaf of "A Short Narrative of an Extraordinary Delivery of Rabbets [sic], Performed by Mr. John Howard, Surgeon at Guilford."