Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2001)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2010)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches, unter Mitwirkung von Max Bamberger [et. el.] - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1900)

Die rohstoffe des pflanzenreiches; versuch einer technischen rohstofflehre des pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1900)

Die rohstoffe des pflanzenreiches; versuch einer technischen rohstofflehre des pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1903)

Die Rohstoffe des Pflanzenreiches; Versuch einer technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1914)

Die Rohstoffe des Pflanzenreiches versuch einer technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1873)

Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1914)

Die Rohstoffe des Pflanzenreichs : versuch einer Technischen Rohstofflehre des Pflanzenreiches - Wiesner, Julius, 1838 -1916 (W. Engelmann, 1921)

The romance of the microscope, an interesting description of its uses in all branches of science, industry, agriculture, and in the detection of crime, with a short account of its origin, history & development - Ealand, Charles Aubrey, 1877 - (Seeley, Service, 1921)

Rough draft of a manual of Indian sylviculture - Fernandez, E. E. (Jubliee Press, 1891)

Rough draft of a manual of Indian sylviculture - Fernandez, E. E (Jubilee Press, 1891)

The Royal Botanic Garden Edinburgh 1670-1970 - Fletcher, Harold R. (Her Majesty's Stationery Office, 1970)

Royal Poinciana Nurseries (Incorporated) [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Poinciana Nurseries (Incorporated), 1917)

Royal Poinciana Nurseries (Incorporated) [catalog]. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Poinciana Nurseries (Incorporated), 1918)

Rules and regulations of Bureau of Entomology and Plant Quarantine ... Effective June 1, 1938 - United States. Bureau of Entomology; Plant Quarantine. (U.S. Govt. Print. Off, 1939)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1862)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1878)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1937)

Ruwenzori Expedition 1952 - British Museum (Natural History) (British Museum, 1958)

Sämereien zum Tausch aus dem grossherzoglichen botanischen Garten der Universität Rostock - Universität Rostock. Botanischer Garten. (Botanischer Garten zu Rostock, 1936)

The sagacity & morality of plants; a sketch of the life & conduct of the vegetable kingdom - Taylor, J. E. (John Ellor), 1837 -1895 (Chatto and Windus, 1884)

Samen-Verzeichnis des Botanischen Gartens der Universitãt Greifswald - Ernst-Moritz-Arndt-Universität Greifswald. Botanischer Garten. ([Botanischer Garten], 1893)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1949)

The Scale - Systematic Entomology Laboratory (U.S.) (Systematic Entomology Lab, 1983)

Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte - Hoffmann, Hermann, 1819 -1891 (Wirth, 1851)

Schilderung der deutschen pflanzenfamilien vom botanisch-descriptiven und physiologischchemischen standpunkte - Hoffmann, Hermann, 1819 -1891 (Georg Friedrich Hener's Verlag, 1846)

Schönbrunn's Flora, oder, Systematisch geordnetes Verzeichniss der im kais. königl. holländisch-botanischen Hofgarten zu Schönbrunn cultivirten Gewächse - Boos, Joseph. (Im Verlag der Geistingerschen Buchhandlung, 1816)

The school-book of farming; a text for the elementary schools, homes and clubs - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1920)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1884)

Schule der systematischen Botanik - Hallier, Ernst, 1831 -1904 (W.G. Korn, 1878)

Science - American Association for the Advancement of Science. ([s.n.], 1903)

Science - American Association for the Advancement of Science. ([s.n.], 1907)

Science - American Association for the Advancement of Science. ([s.n.], 1908)

Science - American Association for the Advancement of Science. ([s.n.], 1913)

Science - American Association for the Advancement of Science. ([s.n.], 1917)

Science in Africa; a review of scientific research relating to tropical and southern Africa - African Research Survey. (Oxford university press, 1938)

The science of life; or the animal and vegetable biology - Wythe, J. H. (Joseph Henry), 1822 -1901 (Phillips & Hunt, 1880)

Science papers, chiefly pharmacological and botanical - Hanbury, Daniel, 1825 -1875 (Macmillan, 1876)

Science progress (John Murray, 1919)

Science progress (John Murray, 1922)

Science progress in the twentieth century : a quarterly journal of scientific work & thought (John Murray, 1914)

Scientific and applied pharmacognosy, intended for the use of students in pharmacy, as a hand book for pharmacists, and as a reference book for food and drug analysts and pharmacologists - Kraemer, Henry, 1868 -1924 (Wiley, 1920)

Scientific reports of the Agricultural Research Institute, Pusa - Agricultural Research Institute (India) (Supt. Govt. Print., India, 1916)

A season among the wildflowers - Wood, Henry. (.W. S. Sonnenschein, 1883)

Season of 1888, retail catalogue : garden seeds, plant, bulbs, trees, etc., also Japanese trees, shrubs, etc., field seeds of every description - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.H. Berger & Co, 1888)

Second systematic census of Australian plants, with chronologic, literary and geographic annotations - Mueller, Ferdinand von, 1825 -1896 (Printed for the Victorian Government by McCarron. Bird & Co, 1889)

Seed trade buyer's guide, 1929 : the seed merchants' directory - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Seed World, 1929)

Seeds and plants imported during the period from December, 1903, to December, 1905; inventory no. 11, nos.9897 to 16796 ... - United States. Bureau of Plant Industry. (Gov't. Print. Off, 1907)

Seeds and plants imported during the period from December, 1905, to July, 1906 : inventory no. 12, nos. 16797 to 19057 - United States. Bureau of Plant Industry. (Government Printing Office, 1907)

Seeds and plants imported during the period from September, 1900, to December, 1903 : Inventory no. 10; nos. 5501-9896 - United States. Bureau of Plant Industry. (Govt. Print. Off, 1905)

Seeds and plants imported through the Section of Seed and Plant Introduction for distribution in cooperation with the Agricultural experiment stations : inventory no. 9, numbers 4351-5500 - United States. Bureau of Plant Industry. (U.S. Dept. of Agriculture, Bureau of Plant Industry, 1902)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1898)