Silver, Beverly Judith (1992). Labor Unrest and Capital Accumulation on a World Scale (PhD). State University of New York at Binghamton. p. i. OCLC29835310. ProQuest304033482.
Silver, Beverly Judith (1992). Labor Unrest and Capital Accumulation on a World Scale (PhD). State University of New York at Binghamton. p. i. OCLC29835310. ProQuest304033482.