Historical Archive of the City of Cologne up at the site of the collapse (a large hole in the ground), where around 95% of all archival items could be held until August 2011, albeit scattered and in many cases badly damaged. Archive repositories all over Germany offered space to store the damaged and only roughly cleaned documents: wet materials were flash-frozen to prevent mold growth. "Itinerant archivists" worked in the receiving archives all over the country and began the task of re-identifying and re-cataloging. A newly installed centre for restoration and digitization on the outskirts of Cologne started working in 2011, with a total cost for restoring
History of the Jews in Cologne area of the Cologne Rathaus in 1953 two fully conserved tombstones were found on the northwest corner of the building in a large bomb crater. They probably came from the Jewish cemetery of Judenbüchel and were used as building material. The inscription of the tombstone of Rachel said: The few Jews who remained in the city, began to re-establish a community in right-Rhenish Deutz, whose rabbi called himself later "Country Rabbi of Cologne" ("Landesrabbiner"). Rabbi Vives was known by this title during the mid-15th century. In 1634, there were 17 Jews in Deutz, in 1659 there were 24 houses inhabited