Holding Institutions
- United States Holocaust Memorial Museum1,494
- Eidgenössische Technische Hochschule Zürich. Archiv für Zeitgeschichte - Archivleitung39
- Archiwum Państwowe w Kielcach34
- Arhivele Naţionale ale României32
- Bryan, Sam20
- Shomer ha-tsaʻir (Organization : Israel). Merkaz tiʻud ṿa-ḥeḳer17
- Arkhiyon ha-merkazi le-toldot ha-ʻam ha-Yehudi16
- Center for the Studies of History and Culture of East European Jewry (Judaica Center) of the National University of Kyiv-Mohyla Academy in Kyiv, Ukraine12
- Archiwum Państwowe w Warszawie Oddział w Grodzisku Mazowieckim10
- Bundesarchiv (Germany)10
- World Zionist Organization. Central Zionist Archives10
- Żydowski Instytut Historyczny im. Emanuela Ringelbluma10
- Landesarchiv Berlin7
- Yiṿo in Argenṭine7
- Archives nationales (France)6
- Archiwum Akt Nowych6
- Magyar Országos Levéltár6
- National Archives (Great Britain)6
- Staatsarchiv Hamburg (Germany)6
- American Jewish Archives5