- Beck, Józef1
- Bregman, Aleksander1
- Bromke, Adam1
- Freed, Donald1
- Freund, Gerald1
- Hacke, Christian1
- Ipohorski-Lenkiewicz, Witold1
- Jakobson, Max1
- Kissinger, Henry1
- Kuśnierz, Bronisław1
- Lewytzkyj, Borys1
- Sokolnicki, Michał1
- Sosnkowski, Kazimierz1
- Terlecki, Tymon1
- United States Congress Senate Committee on Foreign Relations1
- United States. Congress. Senate. Committee on the Judiciary. Subcommittee to Investigate the Administration of the Internal Security Act and Other Internal Security Laws1