South African journal of natural history - South African Biological Society. (South African Biological Society, 1921)

South American trip, 1939 - Mann, William M., 1886 -1960 (1939)

Souvenirs d'un voyage dans l'Inde exécuté de 1834 à 1839 - Bury, Priscilla Susan, 1799 -1872 (Fortin, Masson et cie [etc.], 1843)

Specchio delle scienze, o, Giornale enciclopedico di Sicilia - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Tip. di F. Abate Qm. Domenico, 1814)

Special bulletin - Smithsonian Institution (Government Printing Office, 1895)

Special bulletin - Smithsonian Institution (Government Printing Office, 1915)

Special publications - The Museum, Texas Tech University - International Center for Arid; Semi-arid Land Studies. (Texas Tech Press, 1979)

Special scientific report. Fisheries - U.S. Fish; Wildlife Service (National Marine Fisheries Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1959)

Species of special concern in Pennsylvania - Genoways, Hugh H. (Carnegie Museum of Natural History, 1985)

Specimen lists from C. Hart Merriam's biological survey of the San Francisco mountain region, 1889 - Stejneger, Leonhard, 1851 -1943 (1889)

Specimen of a catalogue of Lycaenidae in the British Museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1862)

Sphinx vespiformis : an essay - Newman, Edward, 1801 -1876 (F. Westley & A. H. Davis, 1832)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1991)

Spokane Seed Company's complete seed annual for 1917 : "Diamond quality" seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Co, 1917)

Sprawozdanie Komisyi Fizyograficznej (1892)

Sprawozdanie Komisyi Fizyograficznej (1894)

Sprawozdanie Komisyi Fizyograficznej (1904)

Sprawozdanie Komisyi Fizyograficznej (1907)

Sprawozdanie Komisyi Fizyograficznej (1908)

Sprawozdanie Komisyi Fizyograficznej (1909)

Spring catalog : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (State Nursery & Seed Co, 1925)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1884)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1886)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

Stanford University publications. University series. Biological sciences - Stanford University. (University Press, 1920)

Stielers Hand-Atlas : 100 Karten in Kupferstich mit 162 Nebenkarten - Justus Perthes (Firm : Gotha, Germany) (J. Perthes, 1907)

Storia naturale degli animali invertebrati - Lamarck, Jean-Baptiste-Pierre-Antoine de Monet de 1744 -1829 (Dalla tipografia di Annesio Nobili, 1834)

The story of the rear column of the Emin Pasha relief expedition - Jameson, James S. (James Sligo), 1856 -1888 (Rose Pub. Co, 1891)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and co, 1898)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1909)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2017)

Success Dahlia Gardens, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Success Dahlia Gardens, 1927)

Success in fruit growing : ten reasons why you should grow fruit for market! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greening Nursery Company, 1911)

Summer bulletin : an unusual opportunity to secure fine iris roots at a low price - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Simpson Iris Gardens, 1930)

Supplement to A catalogue/checklist of the butterflies of America, north of Mexico - Miller, Lee D. (Lepidopterists' Society, 1989)

Supplementary appendix to travels amongst the great Andes of the equator - Whymper, Edward, 1840 -1911 (J. Murray, 1891)

Surinaamsche vlinders : naar het leven geteekend = Papillons de Surinam dessinés d'après nature - Sepp, Jan, 1778 -1853 (J.C. Sepp en zoon, 1848)

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1907)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1909)

Swallow-tails and skippers - Steele, Francesca M. (Francesca Maria) (Religious Tract Society, 1886)

Symbolae mycologicae. Beiträge zur Kenntniss der Rheinischen Pilze - Fuckel, Leopold (J. Niedner, 1869)

A synonymic catalogue of diurnal Lepidoptera. Supplement, March, 1871-June, 1877 - Kirby, W. F. (William Forsell), 1844 -1912 (J. Van Voorst, 1877)

A synonymic catalogue of diurnal Lepidoptera - Kirby, W. F. (William Forsell), 1844 -1912 (J. Van Voorst, 1871)

A synonymic catalogue of Lepidoptera Heterocera. (Moths) : Vol. 1. Sphinges and bombyces - Kirby, W. F. (William Forsell), 1844 -1912 (Gurney & Jackson, 1892)

A synonymic list of all the British butterflies and moths - Doubleday, Henry, 1808 -1875 (Newman, 1862)

Synonymic list of British Lepidoptera - South, Richard, 1846 -1932 (West, Newman, 1884)

A synonymic list of British Lepidoptera, including the names and synonymes of all these insects, excepting the family Tineidae. (Printed on one side only, so as to be used for labels) - Doubleday, Henry (J. Van Voorst, 1850)

A synonymic list of the Nearctic Rhopalocera - Dos Passos, Cyril F. (Cyril Franklin), 1887 -1986 (Lepidopterists' Society, 1964)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1902)

Synopsis of the classification of the animal kingdom - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1882)

... Synopsis of the described Lepidoptera of North America. Part I–Diurnal and crepuscular Lepidoptera - Morris, John G. (John Gottlieb), 1803 -1895 (Smithsonian institution, 1862)

Synopsis of the described Lepidoptera of North America. Part I–Diurnal and crepuscular Lepidoptera. Comp. for the Smithsonian institution - Morris, John G. (John Gottlieb), 1803 -1895 (Smithsonian institution, 1862)