Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2000)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2008)

Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, 2009)

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

Roehrs Nursery : at the sign of the tree - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1917)

Roehrs Nursery : at the sign of the tree - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1919)

Roehrs Nursery : at the sign of the tree : [catalog] - Roehrs, Julius, Company. (Julius Roehrs Co, 1917)

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, 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, 1918)

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

Rose, field notebook, 1 - 1912 - Rose, J. N. (Joseph Nelson), 1862 -1928 (1893)

Rosedale's Nurseries 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rosedale's Nurseries Inc, 1950)

Roses, ornamental trees and shrubs, herbaceous perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1935)

Roses, perennials, climbing plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1937)

Roses, tree roses, flowering peaches, perennials and all varieties of general nursery stock : wholesale price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tuttle Bros. Nurseries, 1930)

Roses, vines, shrubs, perennials, evergreens, fruit trees, small fruits, ornamental trees, large tree moving, landscape contracting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons Company, 1938)

Royal Palm Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, Reasoner Bros, 1904)

Royal Palm Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Palm Nurseries, Reasoner Bros, 1903)

Royal Palm Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Bros, 1906)

Royal Palm Nurseries : 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Bros, 1907)

Royal Palm Nurseries : native and exotic plants, trees, shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Reasoner Brothers, 1905)

Royal Poinciana Nurseries (Incorporated) [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Royal Poinciana Nurseries (Incorporated), 1916)

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)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1850)

The rural cyclopedia, or, A general dictionary of agriculture and of the arts, sciences, instruments, and practice, necessary to the farmer, stockfarmer, gardener, forester, landsteward, farrier, &c - Wilson, John M. (John Marius) (A. Fullarton, 1849)

Rural New Yorker - Moore, D. D. T. (Rural Pub. Co. [etc.], 1911)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1911)

Russkoe entomologicheskoe obozrenie = Revue russe d'entomologie - Russkoe entomologicheskoe obshchestvo (Russkoe entomologicheskoe obshchestvo, 1926)

[São Paulo trees] - Andrade, Edmundo Navarro de, 1881 -1941 (Laporte & Dosse, 1910)

Saggio sulla storia naturale del Chili - Molina, Giovanni Ignazio, 1740 -1829 (Tipografia de' Fratelli Masi e Comp, 1810)

Saggio sulle qualita` medicinali delle piante della flora Napolitana : e sulla maniera di servirsene per surrogarle alle droghe esotiche - Tenore, Michele, 1780 -1861 (Tipografia Coda, 1808)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1948)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1951)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1955)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1956)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1962)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1969)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1974)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1976)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1979)

Saguaroland Bulletin - Desert Botanical Garden (Ariz.) (Arizona Cactus and Native Flora Society, 1980)

Saier's garden magazine : a manual of rare flowers, their selection and culture. vol. 2, no. 17 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1951)

Samen-Tauschverzeichnis des Botanschen Gartens der Universität Graz - Universität Graz. Botanischer Garten. (Verlag des Instituts für systematische Botanik der Universität Graz, 1933)

San Fernando Nursery Co. 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (San Fernando Nursery Company, 1929)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1942)

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)

Schedule of prizes offered by the Massachusetts Horticultural Society - Massachusetts Horticultural Society (The Society, 1867)

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)

Schlich's manual of forestry - Schlich, William, Sir, 1840 -1925 (Bradbury, Agnew, 1922)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1899)

Schriften der Naturforschenden Gesellschaft in Danzig - Naturforschende Gesellschaft in Danzig. (Auf Kosten der Naturforschenden Gesellschaft, 1898)

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

Science - American Association for the Advancement of Science. ([s.n.], 1883)

Science - American Association for the Advancement of Science. ([s.n.], 1897)

Science - American Association for the Advancement of Science. ([s.n.], 1906)

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

Science progress - Burdett, Henry C., Sir, 1847 -1920 (Scientific Press, 1895)

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 survey of Porto Rico and the Virgin Islands - New York Academy of Sciences. (The Academy, 1926)