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- Subject > Roeder, John H. (remove)
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Photograph of Sergeant John H. Roeder of the 24th Statistical Control Unit, U.S. Army Air Forces, using a machine to sort personnel cards, China, circa 1940s.Typed caption on verso: "Headquarters Army Air Forces, Shanghai: -- Sgt. John H. Roeder, St. Louis, Missouri, completes the last card sort to be done by machine process in the China Theater of Operations. From 2200 officers personnel cards,…