. . . "Labor in the world social structure : based on the First U.S.- U.S.S.R. Colloquium on World Labor and Social Change, [held in Binghamton, N. Y., on August 21-23] 1980" . "Labor in the world social structure : based on the First U.S.- U.S.S.R. Colloquium on World Labor and Social Change, 1980" . . . . . . "Colloquium on World Labor and Social Change (1980 : Binghamton, N.Y.)" . . . "Arbeiterbewegung." . . "Kapitalismus." . . . . "Arbeiterbewegung Kongressbericht." . .