Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1914)

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 herbaceous plants and on the quadrupeds of Massachusetts - Dewey, Chester, 1784 -1867 (Folsom, Wells, and Thurston, 1840)

Reputation garden guide : flower seeds, garden seeds, garden bulbs, grass seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Duluth Floral Co, 1930)

Research in plant transpiration, 1962 - Pallas, James E. (Agricultural Research Service, U.S. Dept. of Agriculture, 1965)

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

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

Research natural areas in Colorado, Wyoming, Nebraska, North Dakota, South Dakota, and parts of Wyoming - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994)

Research needs for forest and rangeland management in Arizona and New Mexico - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, 1997)

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)

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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, 1912)

Résultats du voyage du S.Y. Belgica en 1897-1898-1899 : sous le commandement de A. de Gerlache de Gomery. Rapports scientifiques publiés aux frais du gouvernement belge, sous la direction de la Commission de la Belgica - Belgica (Ship) (Impr. J.E. Buschmann, 1905)

Results of a biological reconnoissance of south-central Idaho - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1891)

Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

Retail list : shrubs, trees, vines, perennials, 1937-1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1937)

Retail price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tennyson Nursery Co, 1930)

Retail price list, 1937 : shrubs, trees, vines, palms, ferns, bedding plants, flowering plants and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward H. Rust, 1937)

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 California bulbs - Purdy, Carl (Firm) (Carl Purdy)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1914)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1916)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1917)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1919)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1920)

Retail price list of California bulbs - Purdy, Carl (Firm) (Carl Purdy, 1921)

Retail price list of hardy nursery products - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1927)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1917)

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 North American Trichodes (Herbst) (Coleoptera: Cleridae) - Foster, David E. (Texas Tech Press, 1976)

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

A revision of the spider mite family Tetranychidae - Pritchard, A. Earl (Arthur Earl), 1915 -1965 (Pacific Coast Entomological Society, 1955)

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Revista chilena de historia natural - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Litografia e Impr. Industrial (F. Peters), 1923)

Revista de la Facultad de Agronomía y Veterinaria, La Plata (La Facultad, 1897)

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Revista del Museo de La Plata - Universidad Nacional de La Plata. (Talleres del Museo de La Plata, 1896)

Revue bretonne de botanique pure et appliquée - Daniel, Lucien, 1856 -1940 (Guillemin, 1908)

Revue de botanique; bulletin mensuel de la Société Française de Botanique - Société française de botanique. (Au secrétariat de la Société, 1885)

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 systématique et de géographie botanique - Rouy, Georges, 1851 -1924 (E. Deyrolle, 1903)

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

Revue de mycologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1947)

Revue des sciences naturelles (1872)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1888)

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, 1892)

Revue des travaux scientifiques - France. Ministère de l'Instruction publique (Imprimerie nationale, 1894)

Revue générale de botanique (Libraire générale de l'enseignement, 1895)

Revue générale de botanique (Libraire générale de l'enseignement, 1899)

Revue générale de botanique (Libraire générale de l'enseignement, 1900)

Revue générale de botanique (Libraire générale de l'enseignement, 1904)

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

Revue générale de botanique (Libraire générale de l'enseignement, 1909)

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

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

Revue générale des sciences pures et appliquées ([s.n.], 1919)

Revue horticole (Librairie agricole de la maison rustique, 1858)

Revue horticole (Librairie agricole de la maison rustique, 1863)

Revue horticole (Librairie agricole de la maison rustique, 1870)

Revue horticole (Librairie agricole de la maison rustique, 1873)

Revue horticole (Librairie agricole de la maison rustique, 1882)

Revue horticole (Librairie agricole de la maison rustique, 1888)

Revue horticole (Librairie agricole de la maison rustique, 1894)

Revue horticole (Librairie agricole de la maison rustique, 1897)

Revue horticole (Librairie agricole de la maison rustique, 1898)

Revue horticole (Librairie agricole de la maison rustique, 1900)

Revue horticole (Librairie agricole de la maison rustique, 1902)

Revue horticole (Librairie agricole de la maison rustique, 1903)

Revue horticole (Librairie agricole de la maison rustique, 1904)

Revue horticole (Librairie agricole de la maison rustique, 1905)

Revue horticole (Librairie agricole de la maison rustique, 1906)

Revue horticole (Librairie agricole de la maison rustique, 1907)