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2द्वारा Foner, Philip Sheldon, 1910-विषय “...Working class United States Political activity History....”
प्रकाशित 1976
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4द्वारा Levine, Bruce C., 1949-विषय “...Working class United States History 19th century....”
प्रकाशित 1992
पुस्तक -
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