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- Atwater, H. H. (Hiram Hayden), author1
- Auzal, Ernest W., author1
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- Axtell, E. R. (Edwin Rodarmel), 1866-1899 author2
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- Ayer, James Bourne, 1849-1910, author1
- Ayres, Daniel, 1822-18921
- Ayres, Douglas, author1
- Ayres, S. C. (Stephen Cooper), 1842-19211
- Ayres, S. C. (Stephen Cooper), 1842-1921, author1
- Åberg, Ernst, 1823-1
- Bacon, Gorham, 1855-1940 author1