Dr. Keen had lots of case reports published in the Medical/Surgical history of the war.
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Medical/Surgical History--Part I, Volume I
VII. Extract from a Report of his Medical Services.
By Assistant Surgeon W. W. KEEN, jr., Fifth Massachusetts Volunteers.
The 5th Massachusetts Infantry left Alexandria, on July 16th, 1861, in the brigade of Colonel A. E. Burnside. Our supply of medical stores was amply sufficient; but we had no means of transporting them, and they had to be left in the teams of the quartermaster to be forwarded from Alexandria. The first hospital I was at during the battle, was at a spring, about half a mile beyond Sedley Church, near which our brigade crossed Bull Run. Here we had instruments and dressings, water, and a canteen of brandy. Afterwards, I went, by order, to the church. Our drum corps was with the ambulances in the field, and, so far as I know, there was no other detail made to attend to the fatigue duties at this hospital, such as removing wounded, preparing food, bringing water, etc. I left this hospital between four and five o'clock in the afternoon, on the approach of the Confederates, with Colonel Lawrence, who was wounded. The wounded were exposed that night to rain; but it was not uncomfortably cold. The operations I saw were all amputations or extractions of balls, but the main thing done was to apply primary water dressings. There were many cases where simple cerate was unwisely used. It is proper to state, in extenuation of the faults observed, that they were mostly, in my opinion, due to the utter lack of experience on the part of medical officers, and I would by no means exclude myself, of both the mode of obtaining supplies and the proper persons to apply to. In time of peace and order it is difficult, at first, to understand the forms of the regulations; but in the excitement of such times as July, 1861, and in the urgency of battle, with no books at command among officers, to most of whom army regulations were a myth, many defects may be excused. Comparing the present admirable regulations, what progress is exhibited and what credit reflected on the wise, humane, and energetic men who have brought such order and system out of chaos and confusion !