. . "Announcements to the population issued by Rumkowski in the Lodz Ghetto: Announcement Number 22 dated 22 April 1940 ordering some professionally skilled workers who are urgently needed to register with the head of the Labor Department"@eng . "Announcements to the population issued by Rumkowski in the Lodz Ghetto: Announcement Number 22 dated 22 April 1940 ordering some professionally skilled workers who are urgently needed to register with the head of the Labor Department"@eng . .