Arthur，Christopher J.，“The Fluidity of Capital and the Logic of the Concept”，in The Circulation of Capital，edited by C.J.Arthur and G.Reuten，Basingstoke：Macmillan，1998.
Arthur，Christopher J.，“Napoleoni on Labour and Exploitation”，in M.Baldassarri and R.Bellofiore（eds.），Classical and Marxian Political Economy：A Debate on Claudio Napoleoni's Views，special issue of Rivista di Politica Economica，Ⅳ-ⅤApril-May 1999（English and Italian editions），1999.