- Alarco, José L. (José Lino), 1835-1903, author1
- Allen, Charles Warrenne, 1854-19061
- Allen, Charles Warrenne, 1854-1906 author2
- Allen, Gardner Weld, 1856-1944 author2
- Allen, Harrison, 1841-1897 author1
- Allen, Harrison, 1841-1897, author2
- Allen, J. G.1
- Allen, Joseph Eve, author1
- Allis, Oscar H. (Oscar Huntingdon), 1836-19211
- Allis, Oscar H. (Oscar Huntingdon), 1836-1921 author1
- Allis, Oscar H. (Oscar Huntingdon), 1836-1921, author1
- Allport, Frank, 1856-1935, author1
- Allyn, Herman B. (Herman Bryden), 1860-1939 author2
- Alvarez, Federico C., author1
- Alvarez, Francisco, active 1885, author1
- American Medical Association. Committee on Surgery, author.1
- Anders, James M. (James Meschter), 1854-1936 author2
- Anderson, H. G.1
- Anderson, J. C., active 1888, author1
- Anderson, W. C. (William Astley Cooper), 1814-18821