Holding Institutions
- Jüdisches Museum Frankfurt am Main1
- Makhon le-ḥeḳer tenuʻat ha-ʻavodah ʻa. sh. Pinḥas Lavon1
- Mr. Georges Neu1
- Mr. Willi Seitz1
- Ostrava Group at Kingston Synagogue1
- Paul Frey1
- Robert F. Wagner Labor Archives1
- Shomer ha-tsaʻir (Organization : Israel). Merkaz tiʻud ṿa-ḥeḳer1
- Slovenský národný archív1
- South African Jewish Board of Deputies1
- T︠S︡entralʹnyĭ derz︠h︡avnyĭ arkhiv vyshchykh orhaniv vlady ta upravlinni︠a︡ Ukraïny1
- Unitarian Universalist Service Committee1
- University of Washington1
- Unknown1
- World ORT1
- Yivo Institute for Jewish Research1
- Zakład Historii Ruchu Ludowego w Warszawie. Fundacja Rozwoju1