|Summary:||The materials in this collection have been divided into 15 series. Series I: Cooperatives, Series II: Plant Closings/Worker Dislocation, Series III: Eastern Europe, Series IV: Economic Development, Series V: Manpower Training, Series VI: Labor-Management Relations, Series VII: LDS/Utah Topics, Series VIII: Newsletters, Series IX: Office Files, Series X: Helen Foster Snow, Series XI: Clarence J. Hansen WWI Materials, Series XII: Joseph and Frances Alice Chadwick Barker Family Papers, and Series XIII: Military Service. Series I-IX consist largely of articles, correspondence, essays, and reports collected during Hansen's career and travels as a labor scholar. Series X includes articles, correspondence, and typescripts amassed over the course of Hansen's correspondence with China advocate and Utah native Helen Foster Snow. Series XI is composed of materials gathered during WWI by Hansen's relatives, Lt. Clarence J. Hansen and Ruth Hansen Bruerton, and Series XII includes a number of historical papers that represent the lives and work of Hansen's maternal grandparents, Joseph Barker and Frances Alice Chadwick. Series XIII contains documents related to Hansen's service in the United States Army Ordnance Corps from 1957 to 1959. Series XIV consists of materials related to Robert and Nellie Barker Gardner, who is the sister of Lena Barker Hansen, Gary B. Hansen’s mother. Finally, Series XV contains a copy of Gary B. Hansen's autobiography, "Adventures of a Million Miler."