John Stuart Mill, A System of Logic (1868)

Source

John Stuart Mill, A System of Logic Ratiocinative and Inductive. Being a connected View of the Principles of Evidence and the Methods of Scientific Investigation. In Two Volumes. Seventh Edition (London: Longmans, Green, Reader, And Dyer, MDCCCLXVIII (1868)). 1st ed. 1843.
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Editor’s Note
This is a two volume work. Links to volume 1 are given above. Here are links to volume 2 in HTML, PDF, and ePub. There is also a "2 volumes in 1" version in HTML and ePub.