Répertoire de couleurs pour aider à la détermination des couleurs des fleurs, des feuillages et des fruits - Dauthenay, Henri. (Impr. Oberthur, 1905)

Repertorio Italiano per la Storia Naturale - Bianconi, Gio. Giuseppe (Giovanni Giuseppe), 1809 -1878 (1854)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Repertorium florae Ligusticae - De Notaris, Giuseppe, 1805 -1877 (Ex Regio Typographeo, 1844)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1905)

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1919)

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1911)

Repertorium specierum novarum regni vegetabilis (Selbstverlag des Herausgebers, 1920)

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1912)

Report / Botanical Exchange Club and Society of the British Isles - Botanical Exchange Club; Society of the British Isles. (1913)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1916)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1917)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1923)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1926)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1928)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1929)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1933)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1935)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1938)

Report / Botanical Society and Exchange Club of the British Isles - Botanical Society; Exchange Club of the British Isles. (1945)

Report for the year ... - Colonial Herbarium (Durban, South Africa). (Colonial Herbarium, 1894)

Report of Burton-on-Trent Natural History and Archaeological Society - Burton-on-Trent Natural History; Archaeological Society. (1884)

Report of the ... Australasian Association for the Advancement of Science - Australasian Association for the Advancement of Science. (The Association, 1891)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1831)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1851)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1861)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1888)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1936)

Report of the chief of the Bureau of Entomology and Plant Quarantine - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1934)

Report of the chief of the Bureau of Entomology and Plant Quarantine - United States. Office of Experiment Stations. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1935)

Report of the chief of the Bureau of entomology and plant quarantine - United States. Agricultural Research Service. (U.S. Govt. Print. Off, 1936)

Report of the chief of the Bureau of entomology and plant quarantine - United States. Agricultural Research Service. (U.S. Govt. Print. Off, 1935)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1868)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1871)

Report of the Geological Survey of Ohio - Geological Survey of Ohio. (Nevins & Myers, state printers, 1893)

Report of the geological survey of Ohio - Geological Survey of Ohio. (Nevins & Meyers, 1893)

Report of the Proceedings of the Society / Cheltenham College Natural History Society - Cheltenham College Natural History Society. (1895)

Report on Natal Botanic Gardens and Colonial Herbarium for the year ... - Wood, John Medley, 1827 -1915 ([Durban Botanic Society], 1898)

Report on Natal Botanic Gardens and Colonial Herbarium for the year ... - Wood, John Medley, 1827 -1915 ([Durban Botanic Society], 1903)

Report on Natal Botanic Gardens and Colonial Herbarium for the year ... - Wood, John Medley, 1827 -1915 ([Durban Botanic Society], 1909)

Report on the botany of the expedition - Torrey, John, 1796 -1873 ([s.n.], 1857)

A report on the progress of vegetable physiology during the year 1837 - Meyen, Franz Julius Ferdinand (Taylor, 1839)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

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)

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.], 1855)

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)

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.], 1856)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1891)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1893)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1894)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1913)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1908)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1914)

Die Reptilien und Amphibien Deutschlands in Wort und Bild : eine systematische und biologische Bearbeitung der bisher in Deutschland aufgefundenen Kriechtiere und Lurche - Lachmann, Hermann. (Paul H©ttig, 1890)

Researches about atmospheric phenomena - Forster, T. (Thomas), 1789 -1860 (Printed for Harding, Mavor, and Lepard, 1823)

Residential sites and environments; their conveniences, gardens, parks, planting, etc - Johnson, Joseph Forsyth. (A.T. Delamare Print. and Pub. Co, 1898)

Resources of the southern fields and forests, medical, economical, and agricultural - Porcher, Francis Peyre, 1825 -1895 (Walker, Evans & Cogswell, printers, 1869)

Resultate der Wissenschaftlichen Erforschung des Balatonsees - Hungary. Földmm̋uvelésügyi Minisztérium. (E. Hölzel, 1897)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1909)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1912)

Retail catalog 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Bourgondien Bros, 1954)

Retail catalog 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Bourgondien Bros, 1955)

Retail list of seeds, bulbs, plants, poultry supplies, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1930)

Retail list of seeds, bulbs, plants, poultry supplies, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed & Mercantile Company, 1931)

Retail price list of bulbs, plants from Giese's Bulb and Flower Garden : 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.L. Giese, 1932)

Retail price list of bulbs, plants from Giese's Bulb and Flower Garden : fall 1936, spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.L. Giese, 1936)

Retail price list of bulbs, plants from Giese's Bulb and Flower Garden : fall 1934, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.L. Giese, 1934)

Retail price list of bulbs, plants from Giese's Bulb and Flower Garden : fall 1935, spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.L. Giese, 1935)

Retail price list of bulbs, plants from Giese's Bulb and Flower Garden : fall 1937, spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (O.L. Giese, 1937)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1911)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1913)

Retail [price] list of seeds : 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pierce Seed Company, 1928)

Rettili, pesci e animali articolati - Figuier, Louis, 1819 -1894 (Fratelli Treves, 1881)

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

The Review of applied entomology Series A Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1914)

The Review of applied entomology Series B Medical and veterinary - Commonwealth Agricultural Bureaux. (Commonwealth Agricultural Bureaux [etc.], 1922)

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1922)

A review of the modern state of botany, with a particular reference to the natural systems of Linnaeus and Jussieu - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown, Green, and Longman, 1832)

A revised catalogue of the indigenous flowering plants and ferns of Ceylon - Willis, J. C. (John Christopher), 1868 -1958 (H.C. Cottle, Govt. Printer, 1911)

Revised checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1997)

Revisio generum plantarum vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum, mit erläuterungen - Kuntze, Otto, 1843 -1907 (A. Felix [etc., etc.], 1891)

Revisio generum plantarum:vascularium omnium atque cellularium multarum secundum leges nomenclaturae internationales cum enumeratione plantarum exoticarum in itinere mundi collectarum ... - Kuntze, Otto, 1843 -1907 (A. Felix [etc.], 1891)

Revision of the Echini / by Alexander Agassiz - Agassiz, Alexander, 1835 -1910 (University Press, 1872)

Revision of the flora of the Bombay presidency Parts III-XI Gramineae - Blatter, Ethelbert, 1877 -1934 (s.n.], 1927)

A revision of the genus <Arbelodes Karsch> (Lepidoptera: Cossoidea: Metarbelidae) from southeast-central and southern Africa with the description of 13 new species - Lehmann, Ingo (Ingo Lehmann, 2010)

Revision of the North American Liliaceae. Descriptions of some new species of North American plants - Watson, Sereno, 1826 -1892 (1879)

Revista Brasileira (1860)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 1990)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 1999)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1850)

Revista de los Progresos de las Ciencias Exactas Fisicas y Naturales - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Real Academia de Ciencias Exactas, Físicas y Naturales, 1857)

Revue biologique du nord de la France (Le Bigot, 1888)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1906)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1934)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1903)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1909)

Revue critique de paléozoologie - Cossmann, M. (Maurice), 1850 -1924 (M. Cossmann, 1914)

Revue d'entomologie - Société française d'entomologie. (Société Française d'Entomologie, 1889)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1886)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1888)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1891)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1893)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1895)

Revue de la flore des environs de Spa - Lejeune, Alexandre Louis Simon, 1779 -1858 (Duvivier, 1824)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1889)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1902)

Revue des sciences naturelles (1872)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1885)

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, 1890)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1897)

Revue générale de botanique (Libraire générale de l'enseignement, 1898)

Revue générale de botanique (Libraire générale de l'enseignement, 1905)

Revue générale de botanique (Libraire générale de l'enseignement, 1914)

Revue générale de botanique (Libraire générale de l'enseignement, 1920)