Joint testimony of Izak Trumkowski regarding his experiences as a Red Army soldier and Fania Jesielewska regarding her experiences in Voronezh, Kuybyshev and other places Izak Trumkowski: Military service as a Red Army soldier; combat at the Smolensk Front; the fate of his comrades-in-arms from Bialystok; deaths of family members in the Bialystok Ghetto; Fania Jesielewska: Her experiences during the evacuation to the Soviet Union; life in Voronezh; transfer to Kuybyshev; life in Kuybyshev; liquidation of the Sokolka Ghetto, November 1942; deportation of her brother, Leizar, from the Sokolka Ghetto to the Kielbasin camp; her brother's escape from Kielbasin; deportation of her sister, Dina, from Kielbasin to Treblinka; term of office of Dr. Sonnabend as Judenrat chairman in Sokolka; Sonnabend's survival.