- Babelʹ, I.1
- Backes, Uwe1
- Balkan Section1
- Baschet, Eric1
- Bater, James H.1
- Belügyminisztérium Központi Irattára1
- Benjamin, Alan1
- Berdiaev, Nikolai1
- Berki, Mihály1
- Blot, Yvan1
- Borcke, Astrid von1
- Borisov, Boris1
- Bower, Tom1
- British Broadcasting Corporation, Written Archive Centre1
- Brook-Shepherd, Gordon1
- Brzezinski, Zbigniew1
- Buglya, Sándor1
- Bulgarian Unit1
- Busuttil, James J.1
- Case, George1