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- Ashmead, Albert S., author3
- Ashton, William Easterly, 1859-1933 author1
- Association of Military Surgeons of the United States, author.1
- Auzal, Ernest W., author1
- Bacon, Charles Sumner, 1856- author2
- Baer, B. F. (Benjamin Franklin), 1846-1920, author1
- Bailey, Pearce, 1865-19221
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- Bailey, Pearce, author1
- Baker, Henry B. (Henry Brooks), 1837-19201
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- Baldy, J. M. (John Montgomery), 1860-19342
- Ballantyne, J. W. (John William), 1861-1923, author1
- Barker, Lewellys F. (Lewellys Franklin), 1867-19432
- Barker, Lewellys F. (Lewellys Franklin), 1867-1943, author2
- Barnes, Dawson E.1