- Abbass
- Abbott, Robert Tucker
- Abbott, R.T.
- Abbott, R.
- Abbott, Sue
- Aberhan, M.
- Abrard
- Adams, E.A.
- Adams, Charles Baker
- Adams
- Addicott, W.
- Addicott
- Adegoke, O.
- Adegoke
- Aegidius, Kolb
- Agard, J.
- Agassiz, Alexander
- Aguilera
- Akers, D.
- Akita
- Akvaplan-Niva
- Albany
- Albatross, U. S. F. C. Str
- Albert, B.
- Albrecht-Valk
- Alderson, John
- Aldrich
- Aleu, Altimira
- Alexander
- Aley, William
- Aley, W.
- Allen, Glover M.
- Allen, James
- Allen, C.
- Allen, M.
- Allison, H.
- Allison, Richard C.
- Allison, Carol W.
- Allison
- Allison, Edwin C.
- Allix, Henri
- Allmon, Warren
- Allmon
- Altena, C.O.
- Altmaier, David
- Alvarado, Francisco
- Alvord, Richard
- Amano
- Amouy
- Anders, Alice
- Andersen, Robert Lee
- Anderson, Fern
- Anderson
- Anderson, Frank Marion
- Anderson, S.B.
- Andeson
- Andrefouet, Serge
- Andrews, J.
- Andrews, Joann
- Andrews
- André, Capart
- Angulo, Ramon
- Anh, Le Hung
- Anh, Luu The
- Anker, A.
- Anker, Arthur
- Aoshima
- Aparri, Rudi
- Aplica, N.O.
- Appleton, C.C.
- Arbasto, Jo
- Arbasto, J.
- Armando, A.
- Armentrout, J.
- Armentrout, John M.