Letter to William Osler from Leonard L. Mackall. Belated acknowledgment of his thanks for the "Miscellanies" and of the note on entomological book worms. Answers him on his request about the "Maupertuisiana". Will try to find out who wrote the Ueber d, Charletanerie der Gelchrten seit Menken 1791. Recommends several books for his research on Schiller's early medical essays. Prof. Fiedler must have information about that. Gives him details about his copy of Thomas Browne's "Miscellany Tracts",1683. Account of buying it.

Letter to William Osler from Leonard L. Mackall, 420, Riverside Drive, New York, USA. Sends him three small books : a reprint of Castellio's reply to Beza as to punishing the Heretics, Heredia's translation of the Spanish Nun-soldier's Autobiography, "La Nonne Alferez, Paris, 1894", and an Hist. Taschenbuch containing an article by Tollin of Servetus Fame. Would like to have news from him and from his son. Notes on Thomas Browne, on the Spanish Military Nun and on Servetus.

Letter to William Osler from Leonard L. Mackall. Thanks him to have ask Bixby to send his last extra copy of the Dofob Byron book which he was anxious to get. It is another proof of Osler's invariable great kindness to him. Cannot do more than send him all his most cordial regards and a few aggregations of bibliographical notes on Thomas Browne, on the Spanish Military Nun, on Osler's "Servetur" 1909. It contains three pages of these notes.

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 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.

Letter to William Osler from Leonard L. Mackall, 420, Riverside Drive, New York, USA. Mentions a letter of Boggs. He has written to him December 26th after he heard of Revere's death, but Osler may not have received the letter. He sent him a copy of the catalogue of the library of van Murr, but does not remember when he sent it from Savannah. Details about of the erasure on the copy of it at the Surgeon General's Library. Hopes he did not forget to thank Osler for the pamphlet on the book-worm. Answers his bibliographical questions. Asks him if he had bought anything at the Huth Sale. He has bought Rive's Chasse aux Bibliographes. Details about the other book he bought. Informs him that he gave up his position as librarian of the DeRenne Library in Savannah, and is now waiting to do war work for the National Red Cross. Thinks he will go to France early in October. Civilities.

Letter to Editor of the Evening Sun from Leonard L. Mackall, Baltimore, Maryland, USA. Letter, dated April 18th, 1913, to the Editor of the Evening Sun. "Dr. Osler's Tribute to Baltimore." Responds to a semi-anonymous critic who wrote a letter against the content of the editorial on Osler, who gave a lecture at the opening of the Phipps Psychiatric Clinic.

Letter to Lawrence C. Wroth from Leonard L. Mackall, 420, Riverside Drive, New York, USA. Quotes Osler in his address made at the opening of the Phipps Psychiatric Clinic, April 16th, 1913. One of the Baltimore newspaper published an account of the Cardinal's having strongly objected to this statement. Anecdote about the Cardinal rushing to see Osler and that it was a journalistic fabrication. Requests the Photostats of it. Civilities.

Letter to Harvey Cushing from Leonard L. Mackall, Wonalancet Farm, Mount Whittier, New Hampshire, USA. Photostat of the Baltimore Sun, April 19, 1913. "SHOCKS THE CARDINAL- NEWEST OSLERISM AROUSES PRELATE'S INDIGNATION.- PLANS TO WRITE TO SIR WILLIAM- SAYS HE WILL ASK HIM TO RETRACT REFERENCE TO "INCANTATIONS AND TO THE SAINTS." Enclosed is an original letter from Leonard L. Mackall to Cushing reporting that Osler told him himself that as soon as the Cardinal saw the article, he had rushed to see Osler to state to him that he never made any such reference to the Address which he thought fine and had never made any comments about it to anyone, nor he had ever seen a reporter on the subject.