Recueil des mémoires et des travaux - Société botanique du Grand-Duché de Luxembourg. (La Société, 1897)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1904)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1907)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1910)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1923)

The red spider on cotton - McGregor, E. A. (U.S. Dept. of Agriculture, 1917)

Regeneration - Morgan, Thomas Hunt, 1866 -1945 (Wilhelm Engelmann, 1907)

Regeneration und transplantation - Korschelt, E. (Eugen), 1858 -1946 (G. Fischer, 1907)

Le Règne végétal; divisé en: Traité de botanique, Flore médicale, usuelle et industrielle, Horticulture théorique et pratique, Plantes agricoles et forestières, Histoire biographique et bibliographique de la botanique - Réveil, O. (Oscar), 1821 -1865 (L. Guérin, 1870)

Reis door Noord Amerika - Kalm, Pehr, 1716 -1779 (J.Van Schoonhoven en Comp. en G. van den Brink Janz, 1772)

Reise durch das Altai-Gibirge und die soongorische Kirgisen=Steppe : Auf Kosten der Kaiserlichen Universität Dorpat unternommen im jahre 1826 in Begleitung der Herren D. Carl Anton Meyer und D. Alexander von Bunge - Ledebour, Carl Friedrich von, 1785 -1851 (G. Reimer, 1829)

Die Reizbewegungen der Pflanzen - Pringsheim, Ernst G. (Ernst Georg), 1881 - (J. Springer, 1912)

The relation of pheasants to agriculture in the Yellowstone and Big Horn River valleys of Montana - Hiatt, Robert W. (Montana State Fish and Game Commission, Wildlife Restoration Division, 1947)

Relation of plants to environment (or Plant ecology) Outlines of a course of lectures delivered in the summer school of Cornell university 1903 and 1904 - Atkinson, George Francis, 1854 -1918 (The author, 1904)

Rendiconti - Reale Accademia dei Lincei (l'Accademia, 1889)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1915)

Repertorio fisico-natural de la isla de Cuba - Poey, Felipe, 1799 -1891 (Impr. del gobierno y capitanía general por S.M. [etc, 1866)

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

Report and Proceedings of the Belfast Natural History and Philosophical Society - Belfast Natural History; Philosophical Society. (1882)

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. (1920)

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

Report of botanical survey of southern and central Louisiana made during the year 1870 - Featherman, A. (Americus), 1822 - (Printed at the office of the Republican, 1871)

Report of the Botanical Department of the New Jersey Agricultural College Experiment Station - New Jersey Agricultural Experiment Station. (The Station, 1901)

Report of the Botanical Department of the New Jersey Agricultural College Experiment Station - New Jersey Agricultural Experiment Station. (The Station, 1906)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

Report of the Botanist - New York (State). State Botanist. (James B. Lyon, State Printer, 1867)

Report of the botanist - Connecticut Agricultural Experiment Station. (Connecticut Agricultural Experiment Station, 1903)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1855)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1878)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1891)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1903)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1909)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1911)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1913)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1914)

Report of the British Association for the Advancement of Science - British Association for the Advancement of Science. (1922)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)

Report of the Dominion Entomologist - Canada. Department of Agriculture. Entomology Research Institute (1885)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1882)

Report of the Fruit Growers' Association of Ontario for the year .... Report of the Entomological Society of Ontario for the year ... - Entomological Society of Ontario. (The Association, 1883)

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

Report of the Government Botanist for the year ending 30th June 1874 - Mueller, Ferdinand von, 1825 -1896 (Govt. Printer, 1874)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1904)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1908)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1909)

Report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1914)

Report of the proceedings of the ... Entomological meeting - Fletcher, T. B. (Thomas Bainbrigge), 1878 -1950 (Superintendent government printing, India, 1917)

Report of the State board of agriculture on the work of extermination of the gypsy moth - Massachusetts. State board of agriculture. (Wright & Potter printing co., state printers, 1893)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1901)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1916)

Report of the State Entomologist on injurious and other insects of the state of New York - Felt, Ephraim Porter, 1868 -1943 (Weed, Parsons and Co.; University of the State of New York, 1917)

Report of the transactions of the Massachusetts Horticultural Society for the year ... with preliminary observations - Massachusetts Horticultural Society (s.n.], 1838)

Report on the botany of Madison, Lincoln, Garrard, Washington, and Marion Counties, Kentucky - Kentucky. State Geologist. (Yeoman Press, 1882)

Report on the flora of western and southern Texas - Havard, Valery, 1846 -1927 (1885)

Report on the herbaceous flowering plants of Massachusetts, arranged according to the natural orders of Lindley, and illustrated chiefly by popular descriptions of their character, properties, and uses - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, Printers to the University, 1840)

Report (to accompany bill S. no. 241) - Linn, Lewis Fields, 1795 -1843 (Blair & Rives, printers, 1838)

Report: <to accompany bill S. no. 241> - Linn, Lewis Fields, 1795 -1843 (Blair & Rives, printers, 1838)

A report upon the grasses and forage plants of central Texas. By H.L. Bentley ... - Bentley, H. L. (Govt. print. off, 1898)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1878)

Reports of observations and experiments in the practical work of the Division, made under the direction of the Entomologist - United States. Division of Entomology. (U.S. G.P.O, 1883)

Reports of observations and experiments in the practical work of the Division - Riley, Charles V. (Charles Valentine), 1843 -1895 (U.S. Dept. of Agriculture, Division of Entomology, 1890)

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 Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Reports on the herbaceous plants and on the quadrupeds of Massachusetts : published agreeably to an order of the Legislature by the Commissioners on the Zoological and Botanical Survey of the State - Massachusetts. Zoological; Botanical Survey. (Folsom, Wells, and Thurston, 1840)

Reports on the progress of zoology and botany, 1841, 1842 - Link, Heinrich Friedrich, 1767 -1851 (Printed for the Ray Society, 1845)

Resa genom Umeå Lappmarker i Vesterbottens län : förrättad år 1832 - Zetterstedt, Johan Wilhelm, 1785 -1874 (N.M. Lindh, 1833)

Research bulletin : bulletin of the Agricultural Experiment Station of Nebraska - University of Nebraska (Lincoln campus). Agricultural Experiment Station. (Agricultural Experiment Station of Nebraska, 1913)

Research in plant transpiration, 1961 - Pallas, James E. (James Edward), 1928 - (Agricultural Research Service, U.S. Dept. of Agriculture, 1963)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University Pub. Co, 1905)

Research methods in ecology - Clements, Frederic E. (Frederic Edward), 1874 -1945 (The University publishing company, 1905)

Western Australian Herbarium Research Notes - Western Australia. Department of Biodiversity, Conservation; Attractions (Western Australian Herbarium, 1981)

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

Researches upon the venom of the rattlesnake : with an investigation of the anatomy and physiology of the organs concerned - Mitchell, S. Weir (Silas Weir), 1829 -1914 (Smithsonian Institution, 1860)

Resources of the southern fields and forests, medical, economical, and agricultural : being also a medical botany of the Confederate States; with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

Resources of the southern fields and forests, medical, economical, and agricultural being also a medical botany of the Confederate States : with practical information on the useful properties of the trees, plants and shrubs - Porcher, Francis Peyre, 1825 -1895 (Steam-power Press of Evans & Cogswell, 1863)

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)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1918)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1921)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1922)

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

Review of applied mycology - Commonwealth Mycological Institute, Kew, Eng. (Commonwealth Mycological Institute, 1923)

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)

A revision of Bastin's College botany for the use of students of pharmacy - Bastin, Edson S. (Edson Sewell), 1843 -1897 (G. P. Engelhard & co, 1920)

Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1909)

Revista de la Facultad de Agronomía y Veterinaria - Universidad Nacional de La Plata. Facultad de Agronomía y Veterinaria. (La Facultad, 1912)

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, 1853)

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, 1862)

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, 1869)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1911)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1912)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1936)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1957)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1965)

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1977)

Revue de viticulture : organe de l'agriculture des régions viticoles - Ravaz, L. (Louis) (Bureaux de la "Revue de Viticulture", 1911)

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, 1891)

Revue des sciences naturelles (1874)