The Sphegidae of South Africa - Transvaal Museum (Printed at the University Press, 1922)

The spider book; a manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whip-scorpions, harvestmen, and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits - Comstock, John Henry, 1849 -1931 (Doubleday, Page & Company, 1912)

The spiders of the United States; a collection of the arachnological writings of Nicholas Marcellus Hentz - Emerton, J. H. (James Henry), 1847 -1930 (Boston Society of Natural History, 1875)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1984)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1987)

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1997)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1990)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 2005)

Spolia hymenopterologica - Schulz, W. A. (1908)

Spolia zeylanica - Colombo Museum (Colombo Museum, 1907)

Die stammesgeschichtliche entstehung des bienenstaates sowie beiträge zur lebensweise der solitären u. sozialen bienen (hummeln, meliponinen, etc.). Vortrag gehalten auf dem Zoologen-kongress in Giessen (1902). Stark erweitert, mit anmerkungen und zusätzen - Buttel-Reepen, H. v. (Hugo), 1860 -1933 (G. Thieme, 1903)

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)

Die Staphylinen-fauna von Ostindien, insbesondere der Insel Ceylan - Kraatz, G., 1831 -1909 (Nicolaische Verlagsbuchhandlung (G. Parthey), 1859)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1921)

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

Stray notes on fishing and natural history - Simeon, Cornwall. (Macmillan and Co, 1860)

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)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons [printed at the Edinburgh press], 1896)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Murray, 1892)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons [printed at the Edinburgh press], 1892)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (Morang, 1902)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (C. Scribner's sons, 1906)

The study of animal life - Thomson, J. Arthur (John Arthur), 1861 -1933 (J. Murray, 1892)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1986)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1969)

Subject register of papers published in the Transactions and Proceedings of the American Philosophical Society. Compiled by Henry Phillips, Jr. 1889 - American Philosophical Society. (MacCalla)

Subterranean Biology (Pensoft Publishers, 2020)

Superb collection of insects, elegant cabinets, &c. : a catalogue of the most capital assemblage of insects probably ever offered to public sale ... - Drury, Dru, 1725 -1803 ([King & Lochée], 1805)

Supplement to harvesting ants and trap-door spiders - Moggridge, John Traherne, 1842 -1874 (Reeve & Co, 1873)

Supplement to the arctic zoology - Pennant, Thomas, 1726 -1798 (Printed by Henry Hughs, 1787)

Svenska spindlar : uti sina hufvud-slägter indelte samt under några och sextio särskildte arter beskrefne : och med illuminerade figurer uplyste - Salvius, Lars, 1706 -1773 (Literis Laur. Salvii, 1757)

Sweet-clover seed - Martin, John N. (John Nathan), 1875 - (U.S. Dept. of Agriculture, 1920)

Synopsis florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur : secundum systema Candolleanum digestas, praemissa generum dispositione secundum classes et ordines systematis Linnaeani conscripta - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1837)

Synopsis of American wasps solitary wasps - Saussure, Henri de 1829 -1905 (Smithsonian Institution, 1875)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1835)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, Angel Court, Skinner Street, 1836)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1832)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1837)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1824)

Synopsis of the contents of the British Museum - British Museum ([the Museum], 1823)

Synopsis of the contents of the British Museum - British Museum ([The Museum], 1827)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1826)

Synopsis of the families and genera of the Hymenoptera of America, north of Mexico together with a catalogue of the described species and bibliography - Cresson, E. T. (Ezra Townsend), 1838 -1926 (American Entomological Society?, 1887)

Synopsis of the families and genera of the Hymenoptera of America, north of Mexico, together with a catalogue of the described species, and bibliography - Cresson, E. T. (Ezra Townsend), 1838 -1926 (P.C. Stockhausen, Printer], 1887)

Synopsis of the North American Syrphidae - Williston, Samuel W. (Samuel Wendell), 1851 -1918 (G.P.O, 1886)

A system of physiological botany - Keith, Patrick, 1769 -1840 (Printed for Baldwin, Cradock, and Joy, 1816)

Systema entomologiae : sistens insectorvm classes, ordines, genera, species, adiectis synonymis, locis, descriptionibvs, observationibvs - Fabricius, Johann Christian, 1745 -1808 (In Officina Libraria Kortii, 1775)

Systema naturae, per regna tria naturae : secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae per regna tria naturae : secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1767)

Systema naturae, per regna tria naturae : secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae, 1770)

Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Typis Ioannis Thomae von Trattner, 1767)

Systema natvræ per regna tria natvræ : secvndum classes, ordines, genera, species, cvm characteribus, differentiis, synonymis, locis - Gmelin, Johann Friedrich, 1748 -1804 (Typis Academicis, 1793)