Articles about the factories in the Lodz Ghetto, written by Josef Zelkowicz, 1942: "In the Paper Factory", 28 June 1942 The struggle to establish the factory, late 1940; opening of the factory, 27 February 1941; description of the inventiveness of the ghetto Jews; description of the success of the hand-made products made by the residents outside the ghetto; itemization of the different types of work, the working conditions and the salaries of the resort workers.