1.
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London : Printed by George Bigg, 1787.
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2.
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London : printed by George Bigg, 1786.
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3.
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4.
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Washington, D.C. : National Academies Press, 2011.
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5.
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[London : Printed by George Bigg?, 1791]
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6.
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London : printed by G. Bigg, 1784.
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7.
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London : printed by George Bigg, 1787.
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8.
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London : printed by George Bigg, 1785.
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