- Bortstieber, Gertrud4
- Samizdat Archives3
- Nóvé, Béla2
- Pallai, Péter2
- Anderson, Herbert Foster1
- Anderson, Virgil A.1
- Baker, Albert E.1
- Balogh, Eva S.1
- Bieligk, K. Fritz1
- Bogart, Ernest Ludlow1
- Capra, Frank1
- Communist International (Comintern)1
- Great Britain, Foreign and Commonwealth Office1
- Hegedüs, András1
- Hitler, Adolf1
- Litten, Irmgard Wüst1
- Magos-Gimes, Judit1
- Miklós Hollós1
- Open Society Archives at Central European University1
- Pope, Liston1