- Albat, Friedrich1
- Albion, Mark S.1
- Aldanov, Mark Aleksandrovich2
- Aleksandrov, Grigori3
- American Federation of Labor1
- Anderson, Herbert Foster1
- Anderson, Virgil A.1
- Andracki, Stanisław1
- Antonescu, Mihail1
- Arnshtam, Leo1
- Aroneanu, Eugène1
- Arsen'ev, Nikolai Sergeevich1
- Arturov, O. A1
- Ascoli, Max1
- Astrov, N. I.1
- Bagiński, Henryk1
- Baker, Albert E.1
- Baker, Nina Brown1
- Balkan Section1
- Balogh, Eva S.1