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- Ahl, David.2
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- Aladoff, Stud. author1
- Alarco, José L. (José Lino), 1835-1903, author1
- Albany Hospital, author.1
- Albany Medical College, author.1
- Alcocer, Pascual, author1
- Alden, Ebenezer, 1788-18811
- Allen, H. C. (Henry C.), 1836-19091
- Allen, J. A. (Joel Asaph), 1838-1921 author1
- Allen, J. Adams (Jonathan Adams), 1825-18901
- Allen, Nathan, 1813-18897
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- Allen, Nathan, 1813-1889, author7
- Allen, Timothy Field, 1837-190212
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- Allis, Oscar H. (Oscar Huntingdon), 1836-1921 author1
- Allis, Oscar H. (Oscar Huntingdon), 1836-1921, author2
- Allport, W. W. (Walter Webb), 1824-18931