- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)5
- Open Society Archives at Central European University3
- Abrahams, Anna1
- Bonnett, Alastair1
- Catella, Catherine1
- Chamberlain, Lesley1
- Geller, Mikhail1
- Gilison, Jerome M.1
- Großheim, Juliane1
- Guayasamín, Yanara1
- Karljutshenko, Natalia1
- Kristl, Vlado1
- Mannheim, Karl1
- Moyn, Samuel1
- Muskens, Helena1
- Pilger, John1
- Plato1
- Proctor, Robert1
- Puddington, Arch1
- Racké, Quirine1