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

Gli scienziati italiani dall' inizio del medio evo al nostri giorni; repertorio biobibliografico dei filosofi, matematici, astronomi, fisici, chimici, naturalisti, biologi, medici, geografi italiani - Mieli, Aldo, 1879 -1950 (A. Nardecchia, 1921)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1873)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1875)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1877)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1879)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1881)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1883)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1885)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1887)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1889)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1891)

Séance Publique de l'Académie des Sciences, Arts et Belles-Lettres de Dijon - Académie des sciences, arts et belles lettres de Dijon (France) (Académie des Sciences, Arts et Belles-Lettres de Dijon, 1817)

Séance Publique de l'Académie des Sciences, Arts et Belles-Lettres de Dijon - Académie des sciences, arts et belles lettres de Dijon (France) (Académie des Sciences, Arts et Belles-Lettres de Dijon, 1819)

Séance Publique de l'Académie des Sciences, Arts et Belles-Lettres de Dijon - Académie des sciences, arts et belles lettres de Dijon (France) (Académie des Sciences, Arts et Belles-Lettres de Dijon, 1825)

A second edition of Webber's "Appendix to the catalogue of the flora of Nebraska" - Bessey, Charles E. (Charles Edwin), 1845 -1915 ([University of Nebraska?, 1892)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (C. Troedel and Co, 1891)

Select extra-tropical plants readily eligible for industrial culture or naturalisation with indications of their native countries and some of their uses - Mueller, Ferdinand von, 1825 -1896 (1895)

Selecta fungorum carpologia :ea documenta et icones potissimum exhibens ... - Geney-Gros. (Imperatoris Jussu, In Imperiali Typographeo Excudebatur, 1861)

Semi-annual report of Schimmel & Co. (Fritzsche Brothers) - Schimmel & Co. (The Company, 1910)

Serie imperfecta de las plantas aragonesas espontáneas, particularmente de las que habitan en la parte meridional - Loscos Bernál, Francisco. (U. Huerta, 1866)

Sertum florae hispanicae, sive, Enumeratio systematica omnium plantarum, quae in itinere anno 1850 per Hispaniae provincias boreali-orientales et centrales facto legit et observavit - Willkomm, Moritz, 1821 -1895 (J.F. Hartknoch, 1852)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1932)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1934)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1935)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1936)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1937)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1938)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1939)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1940)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1941)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1942)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 1996)

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The silva of North America :a description of the trees which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin and company, 1895)

The silva of North America a description of the tree which grow naturally in North America exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1902)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1899)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1909)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1912)

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Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1879)

Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft Naturforschender Freunde, 1888)

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Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. Abt. 3, Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1909)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. Abt. 3, Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1912)

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Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1918)

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The small fruit culturist - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (O. Judd & company, 1915)

The small fruit culturist - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd company, 1881)

The small fruit culturist - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (O. Judd co, 1887)

The small grains - Carleton, Mark Alfred, 1866 -1925 (The Macmillan company, 1916)

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Societatum litterae (R. Friedländer, 1890)

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Southern cultivator ([J.W. & W.S. Jones], 1845)

The Southern planter (P.D. Bernard, 1860)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (impensis G.C. Nauk, 1797)