. . "Announcements to the population issued by Rumkowski in the Lodz Ghetto: Announcement dated 07 February 1940 including Rumkowski's call to professionally skilled workers, industrialists and manual workers to register and declare what machines, tools and raw materials are in their possession, 19 February-21 February 1940"@eng . "Announcements to the population issued by Rumkowski in the Lodz Ghetto: Announcement dated 07 February 1940 including Rumkowski's call to professionally skilled workers, industrialists and manual workers to register and declare what machines, tools and raw materials are in their possession, 19 February-21 February 1940"@eng . .