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Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta - Candolle, Augustin Pyramus de, 1778 -1841 (Sumptibus Sociorum Treuttel et Würtz, 1868)

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pu tong zi ran di li 普通自然地理 - Polovinkin, A. A. (Aleksandr Aleksandrovich) 1887 -1955 (dong bei jiao yu chu ban she 东北教育出版社, 1948)

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Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1877)

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Report on the forests of North America, exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Govt. Print. Off, 1884)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (G.P.O, 1884)

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Report on the geology of the high plateaus of Utah, with atlas - Dutton, Clarence E. (Clarence Edward), 1841 -1912 (Govt. Print. Off, 1879)

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