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- Abraham, Dorothy, 1894- 1
- Ackerknecht, Erwin H. (Erwin Heinz), 1906-1988 1
- Adair, Neal G. 3
- Adams, Edith 3
- Adams, John 2
- Adams, Morley 1
- Adams, Peter 1
- Adams, St. Clair, 1883- 2
- Adkins, H. E. (Hector Ernest), 1885-1962 1
- Aero Surveys Limited 2
- Aikens, Charlotte A. (Charlotte Albina), 1868-
- Akrigg, G. P. V., 1913- 2