- Young, Thomas (1726-1783)2
- Zallinger, Rudolph Franz2
- Aanson, T.1
- Abbott, S. L.1
- Alling, Willis G.1
- Altman (New Haven, CT)1
- American Endoscopic Company1
- American Optical Company1
- Ames, Louise Bates, 1908-19961
- Amson, John, M.D.1
- Andrew J. Lloyd1
- Armour and Company1
- Arnold, Harry1
- Artzybasheff, Boris, 1899-19651
- Ashford General Hospital, Library1
- Ashton, C.1
- Atterbury, Grosvenor1
- Austenal Lab1
- Babb, James T. (James Tinkham), 1899-19681
- Baltimore Club1
Libraries & Collections
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