Holding Institutions
- Arkhiyon ha-merkazi le-toldot ha-ʻam ha-Yehudi21
- Shomer ha-tsaʻir (Organization : Israel). Merkaz tiʻud ṿa-ḥeḳer21
- Archiwum Państwowe w Częstochowie20
- Lietuvos centrinis valstybės archyvas20
- Instytut Polski i Muzeum im. Gen. Sikorskiego w Londynie19
- Center for the Studies of History and Culture of East European Jewry (Judaica Center) of the National University of Kyiv-Mohyla Academy in Kyiv, Ukraine17
- Landesarchiv Berlin17
- T︠S︡entralʹnyĭ derz︠h︡avnyĭ istorychnyĭ arkhiv Ukraïny u Lʹvovi16
- Moravský zemský archiv v Brně15
- National Archives (Great Britain)15
- Österreichisches Staatsarchiv14
- Central State Film and Photo Archive of Ukraine13
- Francisca Verdoner Kan13
- Otto Verdoner13
- World Zionist Organization. Central Zionist Archives13
- Yoka Verdoner13
- Yivo Institute for Jewish Research11
- Archiwum Państwowe w Poznaniu10
- Mémorial de la Shoah, Centre de Documentation Juive Contemporaine9
- American Jewish Archives8