只有中文版,英文版找到不到

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(1)Steven Cheung(1969)“Irving Fisher and the Red Guards”Journal of Political Economy,Vol.77,No.2(May-June) 1969 P.430-433(For academic use only, please)
(2)Steven Cheung(1968)Private Property Rights and SharecroppingJournal of Political Economy,Vol.76, No.6,(Nov-Dec)1968 P.1167-1122(For academic use only, please)
(3)Steven Cheung(1972)The Enforcement of Private Property Rights in Children and Marriage ContractThe Economic Journal,Vol.82,No.326,June 1972 P.641-657(For academic use only,please)
(4)《高等经济理论》课程报告：佃农理论--应用于亚洲的农业和台湾的土地改革