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.

Letter to William Osler from R.L. Poole, Keeper of Archives, Museum House, Oxford, Oxfordshire, England. Poole responds to Osler's inquiry into Andrew Boorde and censorship in the sixteenth century.

Letter to William Osler from H.F.B. Brett Smith, 7, Moreton Road, Corpus Christi College, Oxford, Oxfordshire, England. "Notes from books." Brett-Smith sends a photograph of the Harington copper plate of Queen Elizabeth. Letter and Osler's notes inserted on fly leaf of "The Metamorphosis of Ajax," by John Harington.

Letter to William Osler from Walter Morley Fletcher, 71, Bedford Gardens, London, England. Fletcher reports that he had the Bibliomania 1st Edition printed at Warrington. Letter found in fly leaf of Osler's copy of "The Bibliomania, An Epistle..." Additional notes by Osler found in same volume dated January 16, 1916.

Letter to William Osler from M. Sa'eed, Hassanahad, Tehran, Persia. Sa'eed writes of various rare and ancient Arabic medical texts, including the Kanoon and Al Korans.

Letter to William Osler from R. Levy, Civil Commissions, Baghdad, Iraq. Levy writes of three "first rate" Arabists: J.L. Norton, J.I. Eadie, Dr. Van Ess, and Père Anastase. Levy expresses his willingness to accept a post at the Bodleian Library under Dr. Cowley.

Letter to William Osler from A.R. Neligan, 62, Park Lane, Croydon, England. Neligan has just received a copy of Avicenna's "Qanoun," a 500 to 600 year old Arabic medical text, which he offers to sell to Osler. Includes manuscript notes.

Letter to William Osler from M. Sa'eed, c/o Dr. Warren, 31 Dagnall Park, Selhurst, London, England. "Notes in Books." Sa'eed writes of rare Arabic medical texts and a photograph of the Tomb of Avicenna at Hamadan.