Center for Studies in History and Culture of East European Jewry (Ukraine)
The National Library of Israel / The Central Archives for the History of the Jewish People (Israel)
***Yekhiel Falikman's Letters to Sovetish Heymland
United States Holocaust Memorial Museum (USA)
***Itsik Kipnis' Letters from Gulag
YIVO Institute for Jewish Research (USA)
Central State Archive-Museum of Literature and Art of Ukraine
