Letter to William Osler from Abraham Jacobi, 19 E., 47th Street, New York, USA. Birthday greetings on his seventieth anniversary. States that Osler is eminently the indispensable man in medicine.

Letter to William Osler from Leonard L. Mackall, 420, Riverside Drive, New York, USA. Acknowledges his letter of August 6th. Asks him if he can get for him a copy of Fergusonn's Bibliotheca Chemica. Asks for reprints of Osler's remarks on Willis. Asks him what he knows about Stirling's Some Apostles of Physiology. It is supposed to contain matter on Servetus. Sends him a copy of his article on the De Renne Library. Details on his peripeitia to find a work during the war. Asks him if he has seen the paper on Conrad Gesner in Papers Am. Bibliogr. , Sec.X, April 1916. Information about the Servetus portrait.

Letter to William Osler from Sigmund Adolphus Knopf, New York, USA. Sends his sympathies on Revere's death. P.S. Sendsa book, "My Son Liveth", which contents impressed him deeply.

Letter to William Osler from Leonard L. Mackall, 420, Riverside Drive, New York, USA. Acknowledges his letter of August 6th. Informs him that his cousin Alexander R. Lawton will sail to France with his Regiment and will probably go to England. Hopes that they will have the pleasure to meet each other. Details on the arrangements to make Lawton meet Osler. The new Draft Laws blocked his acceptance by the Red Cross for France at the last moment. He is uncertain of what he should try to do. Civilities.