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{{Bibliographic Record
|Title=The Collected Works of John Stuart Mill, Volume VIII - A System of Logic Ratiocinative and Inductive, Being a Connected View of the Principles of Evidence and the Methods of Scientific Investigation (Books IV-VI and Appendices)
|Resource Type=collection
|Author=John S. Mill, John M. Robson,
|Year=1974
|URL=http://oll.libertyfund.org/titles/247
|Publisher=University of Toronto Press, Routledge and Kegan Paul
|ISBN=NA
}}