Advertisement in the Rybnik newspaper: The Jewish merchants of Loslau notify the public that their businesses will be closed for the High Holidays (11, 12 and 20 September, 1893). Leopold Manneberg, whose name appears here, belongs to the Manneberg-Manor branch of the family.
Letter to Yehudah (Jan, Hans) Manneberg in Israel from the Social Security office in Rybnik, Poland, May 20, 1980, stating that they are unable to provide him with employment records between the years 1933-1939 since all the documents were lost in the war.
Notice in the Rybnik Polish newspaper: The Iron business formerly belonging to Jozef Manneberg now belongs to Jan F. Sikora. The business has been transferred from Jewish to Christian ownership. (This probably appeared in 1939).