Jewish Historical Institute in Warsaw, Holocaust Survivor Testimonies (coll. 301), Marta Klein Testimony (301/12). Original in Polish.
Testimony of Marta Klein on the actions against Jews in Vilnius and Białystok and deportations to Treblinka, her escape en route to the camp, her rescue by a Pole, Czuliński, and the arrest of her son and his protector after their betrayal.
The Wiener Library for the Study of the Holocaust and Genocide, Persecution of Jews in Poland: reports and statements (coll. 532), 102. Original in Yiddish.
Report by Avrom R., a harvester from Łomża, about internment in a German prison camp in Rastenburg [Kętrzyn]. He highlights the bad relationship between Jews and Poles. In late September 1939, a thousand men were discharged from the camp and forced…