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Report on the fossil plants of the lower Carboniferous and millstone grit formations of Canada - Geological Survey of Canada (Printed by J. Lovell, 1873)

Report on the fossil plants of the lower carboniferous and millstone grit formations of Canada - Geological Survey of Canada (s.n, 1873)

Report on the geological survey of the State of Iowa, to the Thirteenth General Assembly, January, 1870, containing results of examinations and observations made within the years 1866, 1867, 1868, and 1869 - White, Charles A. (Charles Abiathar), 1826 -1910 (Printed and Pub. by Mills, 1870)

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Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1912)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1915)

Report on the scientific results of the voyage of H.M.S. Challenger during the years 1873-76 under the command of Captain George S. Nares ... and the late Captain Frank Tourle Thomson, R.N - Thomson, C. Wyville, Sir, (Charles Wyville), 1830 -1882 (Neill, 1888)

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Reports of explorations and surveys : to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson printer, 1855)

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Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

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Representative plants; a manual for the use of students of botany in secondary schools and colleges - Pepoon, Herman Silas, 1860 - (Ginn, 1912)

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Return / British Museum - British Museum (Natural History) (British Museum, 1890)

Return / British Museum - British Museum (Natural History) (British Museum, 1891)

Return / British Museum - British Museum (Natural History) (British Museum, 1896)

Return / British Museum - British Museum (Natural History) (British Museum, 1901)

Return / British Museum - British Museum (Natural History) (British Museum, 1906)

A review of Canadian botany from 1800 to 1895 - Penhallow, D. P. (David Pearce), 1854 -1910 ([s.n.], 1898)

Revision of the land snails of the Paleozoic era, with descriptions of new species - Dawson, J. W., (John William), 1820 -1899 (s.n, 1880)

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Revue critique de paléozoologie et de paléophytologie (M. Cossman, 1897)

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Revue des sciences naturelles (1872)

Revue des sciences naturelles (1873)

Revue des sciences naturelles (1874)

Revue des sciences naturelles (1876)

Revue des sciences naturelles (1878)

Revue des sciences naturelles (1879)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1882)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1883)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1887)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1889)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1896)

Revue générale de botanique (Libraire générale de l'enseignement, 1897)

Revue générale de botanique (Libraire générale de l'enseignement, 1903)

Revue générale de botanique (Libraire générale de l'enseignement, 1908)

Revue générale de botanique (Libraire générale de l'enseignement, 1910)

Revue générale de botanique (Libraire générale de l'enseignement, 1916)

Revue générale de botanique (Libraire générale de l'enseignement, 1917)

Revue générale de botanique (Libraire générale de l'enseignement, 1918)

Revue générale de botanique (Libraire générale de l'enseignement, 1919)

Revue générale de botanique (Libraire générale de l'enseignement, 1921)

Revue générale de botanique (Libraire générale de l'enseignement, 1922)

Revue générale de botanique (Libraire générale de l'enseignement, 1923)

Revue générale des sciences pures et appliquées ([s.n.], 1890)

Revue générale des sciences pures et appliquées ([s.n.], 1892)

Revue générale des sciences pures et appliquées ([s.n.], 1917)

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Revue horticole (Librairie agricole de la maison rustique, 1884)

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Revue mycologique (Bureaux de la rédaction, 1896)

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Rivista italiana di paleontologia - Fornasini, Carlo. (Rivista italiana di paleontologia, 1900)

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Schlesiens Pflanzenwelt. Eine pflanzengeographische Schilderung der Provinz - Pax, Ferdinand, 1858 -1942 (G. Fischer, 1915)

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Schulflora der Provinz Schleswig-Holstein, des Fürstentums Lübeck, sowie des Gebietes der freien Städte Hamburg und Lübeck - Knuth, Paul, 1854 -1899 (O. Lenz, 1888)

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