Articles about the factories in the Lodz Ghetto, written by Josef Zelkowicz in 1942: "In the Corset Factory", 13 July 1942 Detailed description of the development of the "corset factory" (one of the first factories in the ghetto), June 1940 until the writing of the article; establishment of the factory at the personal initiative of a few people; development of the factory including the employment of 1,250 workers and 80 clerks; details regarding working conditions, salary and number of workers.