Letter from John J. Barker to John William Dawson, written from Cowansville, Que.

Letter to Ernest Barker from William Osler, 13, Norham Gardens, Oxford, Oxfordshire, England. Comments on a list of organizations. Will join and subscribe, particularly as children are the only people in life worth talking to.

Pamphlet: A Patronal Festival for Thomas Willis (1621-1675)," by Henry Viets, with remarks by Sir William Osler. Reprinted from summer number, 1917, "Annals of Medical History." Includes portrait of Osler.

"Sir William Osler - (first impressions)" by Henry Viets. Account of Osler's activities at the Radcliffe Infirmary.

Letter to Henry R. Viets from William Osler, 13, Norham Gardens, Oxford, Oxfordshire, England. Osler sends Viets the translation of de Cusa's "De Staticis Experimentis." He suggests that Viets consult the new History of Science man at Harvard for more information on de Cusa. He writes that he is better, although he is still in bed and still coughing.

Letter to Henry R. Viets from William Osler, 13, Norham Gardens, Oxford, Oxfordshire, England. Osler comments on his 70th birthday. He writes of matters relating to Viets's study of de Cusa.

Letter to Henry R. Viets from William Osler, 13, Norham Gardens, Oxford, Oxfordshire, England. Osler explains that de Cusa's "De Staticis Experimentis" is part of a larger volume and should be found at the back of "De Docta Ignorantia." He has received a paper by the Oxford Professor of Pathology on de Cusa's position as a philosopher.

Letter to Henry R. Viets from William Osler, 13, Norham Gardens, Oxford, Oxfordshire, England. Osler is delighted with the de Cusa treasures Viets has located. He suggests that Viets write the introduction to the translated version of "De Staticis Experimentis."

Letter to Henry R. Viets from William Osler, 13, Norham Gardens, Oxford, Oxfordshire, England. Osler is very glad to hear of Viets's research into de Cusa. He requests that Viets send him any literature and any pictures he finds pertaining to de Cusa.