- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)47,646
- Samizdat Archives6
- Lanzmann, Claude4
- Samizdat Archives of Radio Free Europe4
- Open Society Archives at Central European University2
- Agnew, John A.1
- Bater, James H.1
- Cerasuolo, Enrico1
- Conference on East-Central and Southeast European Geography1
- Connor, Walter1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Cressey, George Babcock1
- Gregory, James Stothert1
- Haeri, Reza1
- Héderváry, Claire de1
- Jacobs, Jane1
- Mukherjee, Priyanka1
- Sen, Gargi1
- Soviet Red Archives1
- Stamatov, Peter1