Holding Institutions
- United States Holocaust Memorial Museum214
- Eidgenössische Technische Hochschule Zürich. Archiv für Zeitgeschichte - Archivleitung44
- United Nations Archives and Records Management Section28
- World Zionist Organization. Central Zionist Archives9
- The University of Akron8
- American Jewish Archives5
- International Committee of the Red Cross5
- National Archives (Great Britain)5
- American Jewish Joint Distribution Committee4
- Archivio Apostolico Vaticano4
- Arhivele Naţionale ale României3
- Arkhiyon ha-merkazi le-toldot ha-ʻam ha-Yehudi3
- Mémorial de la Shoah, Centre de Documentation Juive Contemporaine3
- Shomer ha-tsaʻir (Organization : Israel). Merkaz tiʻud ṿa-ḥeḳer3
- Yivo Institute for Jewish Research3
- Żydowski Instytut Historyczny im. Emanuela Ringelbluma3
- Archives nationales (France)2
- Archiwum Akt Nowych2
- Greece. Hypourgeio Exōterikōn2
- Instytut Polski i Muzeum im. Gen. Sikorskiego w Londynie2