Appears before Dies Committee. Washington, D.C., Nov. 14. Zygmund Dobrzynski, of Detroit, United Automobile Workers Organizer, told the House Committee investigating un-American affairs that the Communist party once sought control of auto unions believing that in event of war, they could paralyze the armaments industry. These tactics, he said, were outlined to him in May 1937, by William Weinstone, at that time State Secretary of the Communist Party in Michigan. Dobrzynski, said he was National Director of Ford Plant Organizers for the UAW, 11/14/38