. . "Joint testimony of Leibel Chazan, born in Ciechanowiec, Poland, 1932, and Chana Chazan, born in Ciechanowiec, Poland, 1934, regarding their experiences in Ciechanowiec, forests and in hiding"@eng . "Joint testimony of Leibel Chazan, born in Ciechanowiec, Poland, 1932, and Chana Chazan, born in Ciechanowiec, Poland, 1934, regarding their experiences in Ciechanowiec, forests and in hiding"@eng . .