- Aminado1
- Amrine, Michael1
- Analytic Research Department1
- Andreev, Ivan Dmitrievich1
- Aptheker, Herbert1
- Arbatsky, Yury1
- Arendt, Hannah1
- Areshian, Salomeia Grigorʹevna1
- Arkhiptsev, Fedor Timofeevich1
- Armstrong, Terence E.1
- Arsenʹev, Nikolai Sergeevich1
- Artemʹev, Viacheslav P.1
- Assmann, Kurt1
- Azizbekova, P. A.1
- Babushkin, Aleksei Nikitich1
- Bacchelli, Riccardo1
- Baharev, Andrej Nikolaevič1
- Bahr, Ernst1
- Bakunin, Mikhail Aleksandrovich1
- Bakuradze, O. M.1