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Union Democracy : the internal politics of the International Typographical Union
Lipset, Seymour Martin, (1956)
Social structure and mobility in economic development : [... outgrowth of a conference on "Social Structure, Social Mobility and Economic Development", San Francisco, January 30-February 1, 1964]
Smelser, Neil J., (1966)
Social mobility in industrial society : a publication of the Institute of Industrial Relations University of California
Lipset, Seymour Martin, (1959)