. "The collection consists of a prisoner patch, documents, testimony, and publications relating to the experiences of Hermann Naidorf (later Neudorf) and his family members before and during the Holocaust in Gelsenkirchen, Germany, and Łódź, Poland, during which Hermann was imprisoned in Riga Ghetto and Kaiserwald, Stutthof, and Buchenwald concentration camps, and after the Holocaust when he emigrated to Paris, France, Colombia, and finally the United States."@en . . "Herman Neudorf collection"@en . "irn524523" . . . . .