1.
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Edinburgh : David Douglas, 1892.
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2.
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Boston : Bedford Books of St. Martin's Press, c1996.
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3.
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London ; Boston : Routledge & Kegan Paul, 1973.
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4.
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Boston : James R. Osgood and Company, 1872.
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5.
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New York : Harper & Bros., 1901.
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6.
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Cambridge, Belknap Press of Harvard University Press, 1960.
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