- Acton, H. B.1
- Alfred A. Reisch1
- Allilueva, Svetlana3
- Allworth, Edward1
- Analytic Research Department1
- Anti-Taylor, William1
- Apter, David E.1
- Armstrong, John Alexander1
- Aronov, Grigorii1
- Arsenkin, Veniamin Karpovich1
- Askol'dov, Alexander1
- Askol'dov, Sergei Alekseevich1
- Australian Institute of Political Science1
- Avrich, Paul1
- Babiński, Witold1
- Bahr, Ernst1
- Balkan Section1
- Balogh, Eva S.2
- Balázs Béla Stúdió1
- Barcata, Louis1