Letter to John H. Musser from William Osler, Philadelphia, Pennsylvania, USA. He must leave suddenly for Baltimore and would like Musser to lecture in his place.

Letter to John H. Musser from Charles H. Mills, 1909, Chestnut Street, Philadelphia, Pennsylvania, USA. Mills and Dr. Dercum are to take over some lectures for Osler and Musser.

Letter to John H. Musser from William Osler, 1502, Walnut Street, Philadelphia, Pennsylvania, USA. Civilities.

Letter to John H. Musser from Silas Weir Mitchell, 1524, Walnut Street, Philadelphia, Pennsylvania, USA. Invitation to a farewell dinner in honour of Osler before he leaves for the Johns Hopkins.

Letter to John A. Mullin from William Osler, Philadelphia, Pennsylvania, USA. Civilities.

Letter to James Tyson from Minis Hays, 1004, Walnut Street, Medical News Office, Philadelphia, Pennsylvania, USA. He notes that Osler was elected a Fellow to the Royal College of Physicians of London on May 17, 1883. Includes extract of Osler's acceptance speech, published in the Canadian Medical & Surgical Journal, June 1883, p. 767.

Letter to J. Collins Warren from William Osler, 131, South 15th Street, Philadelphia, Pennsylvania, USA. Osler will go to Montreal to assist in the opening of the new buildings of the McGill Medical School with Pepper. As a result, Osler will miss Warren's lecture at the Philadelphia Pathological Society. Additional notes by Warren. Includes manuscript notes.

Letter to Henry Vining Ogden from William Osler, 1502, Walnut Street, Philadelphia, Pennsylvania, USA. He urges Ogden to attend the Washington meetings [of the Assoc. of American Physicians and the Neurological Society].

Letter to Henry Vining Ogden from William Osler, 131, South 15th Street, Philadelphia, Pennsylvania, USA. He writes of his trip to British Columbia with his brother Edmund. Includes manuscript notes.

Letter to Henry Vining Ogden from William Osler, 1502, Walnut Street, Philadelphia, Pennsylvania, USA. He expresses his concern over Ogden's poor health.