Public domain
GMC Head signs on the dotted line. Washington, D.C., Dec. 6. William S. Knudsen, President of the General Motors Corp., signs a subpoena before appearing before the Monopoly Committee. George C. Arvedson, Counsel for the Automobile Manufacturers Association, looks on
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Credit lineGMC Head signs on the dotted line. Washington, D.C., Dec. 6. William S. Knudsen, President of the General Motors Corp., signs a subpoena before appearing before the Monopoly Committee. George C. Arved. 1938-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.