- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)78
- Héderváry, Claire de4
- Open Society Archives at Central European University2
- Bartleman, Frank1
- Brendon, Piers1
- Ewing, Heidi1
- Ferro, Marc1
- Grigor, Murray1
- Horký, Petr1
- Iepan, Florin1
- Johnson, Thomas1
- Lindsey, Brink1
- Makepeace, Anne1
- Male, D. J.1
- Soros, George1
- Vaksberg, Tatiana1
- Zubrzycki, Geneviève1