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1.
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Welshpool : Western Australian Museum, c2011.
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2.
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London : printed for the author: and sold by J. Wilkie, in St. Paul's Church-Yard, and by Mess. Richardson and Urquhart, at the Royal-Exchange, 1767.
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3.
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Washington : U.S. G.P.O, 2008.
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4.
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London : printed for John Stockdale, Piccadilly, 1797.
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5.
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Washington, D.C. : National Academies Press, 2003.
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6.
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Washington, D.C. : National Academy Press, 1999.
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7.
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Santa Monica, CA : RAND Corp., 2007.
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8.
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Evansville : University of Southern Indiana, 1991 (Bloomington, Ind. : Western Sun Printing)
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