> Multivolume work
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The theory of language and considerations concerning, the first formation of languages James Beattie and Adam Smith
London: Routledge [u.a.], 1993
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Hermes or a philosophical inquiry concerning universal grammar James Harris
London: Routledge [u.a.], 1993
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A course of lectures on the theory of language and universal grammar Joseph Priestley
London: Routledge [u.a.], 1993
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Diversions of Purley 2 Reprint of the 1829 ed. London, Taylor John Horne Tooke
London: Routledge, 1993
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Diversions of Purley 1 Reprint of the 1829 ed. London, Taylor John Horne Tooke
London: Routledge, 1993