Holding Institutions
- United States Holocaust Memorial Museum66
- World Zionist Organization. Central Zionist Archives4
- Żydowski Instytut Historyczny im. Emanuela Ringelbluma3
- American Jewish Archives2
- Makhon le-ḥeḳer tenuʻat ha-ʻavodah ʻa. sh. Pinḥas Lavon2
- Bet lohame ha-geta'ot1
- Central Archives of the Russian Federal Security Services1
- Gosudarstvennyĭ arkhiv Rossiĭskoĭ Federat︠s︡ii1
- Israel. Ganzakh ha-medinah1
- Klaus Jacoby1
- Magyar Zsidó Múzeum és Levéltár1
- Mr. Charles Kotkowsky1
- South African Jewish Board of Deputies1
- United States. National Archives and Records Administration1
- Unknown1
- Yivo Institute for Jewish Research1