- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)121
- Héderváry, Claire de4
- Open Society Archives at Central European University2
- Aubin-Boltanski, Emma1
- Averbukh, Mark1
- Bartleman, Frank1
- Brendon, Piers1
- Bringa, Tone1
- Dinov, Todor1
- Ewing, Heidi1
- Ferro, Marc1
- Grigor, Murray1
- Horký, Petr1
- Hristov, Hristo1
- Iepan, Florin1
- Johnson, Thomas1
- Jure, Christian1
- Kardos, Ferenc1
- Kopczyński, Krzysztof1
- Kármán, Irén1