Yad Vashem Archives, The Central Historical Commission of the Central Committee of Liberated Jews in the U.S. Zone (M.1.E), file no. 3540320. Original in Yiddish.
Testimony of Yerachmiel Kareb regarding the murder of Jews from the Swieciany area, the Poligon camp, and the murder of Jews in killing pits.
Yad Vashem Archives, The Central Historical Commission of the Central Committee of Liberated Jews in the U.S. Zone (M.1.E), file no. 3540561. Original in Yiddish.
Testimony of Binyamin Orenshtein regarding five singers in the HASAG-Pelcery camp in Czestochowa.