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Click to enlarge Title: John Hammerberg. Case File No. 5722. June-August 1920. Duluth Lynchings | Text
Date: July 14, 1920
Place: St. Louis County, Minnesota
St. Louis County District Court. Indictment Records -
Click to enlarge Title: Carl John Alfred Hammerberg. Case No. 5148. Duluth Lynchings | Text
Date: 1920 - 1921
Place: St. Cloud, Minnesota
St. Cloud Reformatory. Inmate Registershttp://www.mnhs.org/duluthlynchings/documents/Carl_John_Alfred_Hammerberg_Case_No_5148-256.001.php