. . "Dr. Abraham Silberschein Archives: Three letters written by M. V. Edith, Artur Guczka and an unknown writer who were deported from Vienna and Czechoslovakia to Poland regarding hunger and mass mortality among the deportees in the Opole Ghetto"@eng . "Dr. Abraham Silberschein Archives: Three letters written by M. V. Edith, Artur Guczka and an unknown writer who were deported from Vienna and Czechoslovakia to Poland regarding hunger and mass mortality among the deportees in the Opole Ghetto"@eng . .