Names
- Allen, William, 1803-1879.1
- Altmeyer, Arthur Joseph, 1891-1972.1
- Amateur Musical and Dramatic Society1
- American Anti-Slavery Society.1
- American Association of the Red Cross.1
- American Asylum, at Hartford, for the Education and Instruction of the Deaf and Dumb.1
- American Board of Commissioners for Foreign Missions.1
- American Colonization Society.1
- American Jewish Committee.1
- American Jewish Joint Distribution Committee.1
- American ORT Federation.1
- American Society for the Diffusion of Useful Knowledge.1
- American Women's Hospitals.1
- Amistad (Schooner)1
- Anderson, Jo. (1 letter)1
- Anderson, Thomas. (2 letters)1
- Andersonville Prison.1
- Andrews, John, 1764-1845.1
- Angel, William Gardner, 1790-1858.1
- Angell, John A., 1837-1877.1