M.I. Sheves testimony, about: outbreak of Second World War, Jewish fight in "Sosnowiec National Defence Battalion", German occupation of Sosnowiec and anti-Semitic pogroms, Betar Sosnowiec activities 1940-1941, establishment of Sosnowiec ghetto, head of Judenrat Moshe Merin, attitude of Judenrat to Betar, Leon Wellner, Shabtai Jungster, Natan Singer, Aktion in the ghetto, ghetto revolt, Betar Sosnowiec underground connections with Betar underground in Warsaw ghetto, ghetto liquidation and transfer of residents to concentration camps and extermination.