Cornell University Library Digital Collections
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- International Workers Order8
- Jewish Peoples Fraternal Order of the I.W.O. (U.S.)6
- International Workers Order (IWO)5
- American Committee of Jewish Writers, Artists and Scientists3
- Abraham Lincoln School of Social Science2
- Zaltsman, R. (Reʾuven) (Rubin Saltzman, Reuben Zaltzman)2
- אידישער ארבּעטער קינדער שול בּיים אינטערנאציאנאלן ארבּעטער ארדן2
- Abraham Lincoln School of Social Science1
- All Educational Directors1
- Almazoṿ, Sh., 1895-1
- Arbeter Ring/Workmen's Circle; Workmen's Circle (U.S.). Arbeṭer ring shuln ; ארבעטער רינג1
- Berman, Adolf Abraham, 1906-1
- Brainin, Joe (Joseph)1
- Brownsville School Number 31
- Central Committee of Jews in Poland; CKŻP, Centralny Komitet Żydów w Polsce1
- Committee for the Re-election of the President1
- Elkind, Dora1
- Feinberg, Leon, 1897-19691
- Garland, Walter Benjamin1
- Hirsch, Valia1