Holding Institutions
- Bundesarchiv (Germany). Abteilung Potsdam1
- Bundesarchiv (Germany). Außenstelle Ludwigsburg1
- Bundesarchiv (Germany). Filmarchiv123
- Canadian War Museum1
- Carmelo Catania1
- Case Western Reserve Historical Society1
- Center for the Preservation of Historical Documentary Collections (formerly the Osobyi Archive) Moscow1
- Center for the Studies of History and Culture of East European Jewry (Judaica Center) of the National University of Kyiv-Mohyla Academy in Kyiv, Ukraine15
- Central State Film and Photo Archive of Ukraine3
- Centre des Archives Diplomatiques de Nantes (France)2
- Centro di Documentazione Ebraica Contemporanea1
- Chronos-Media GmbH7
- Comunidad Israelita Húngara del Uruguay1
- Comunidad Israelita del Uruguay Kehilá Ashkenazí1
- Comunidade Israelita (Porto, Portugal)1
- Comunità Ebraica di Venezia1
- Congrégation de Notre-Dame de Sion, Archives du monastère (frères et prêtres), Paris1
- Consiliul Național pentru Studierea Arhivelor Securității (Romania)1
- Consistoire Central Israélite de Belgique1
- Consistoire Central, Union des Communautes Juives de France2