Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1909)

Svenska foglarna - Åkerlund, Peter, 1835 -1871 (Tryckt hos J. & A. Riis, 1886)

Sveriges land- och sötvatten-mollusker - Westerlund, Carl Agardh, 1831 -1908 (I kommission hos C.W.K. Gleerups sortiment, 1865)

Sveriges och Norges fiskar - Lilljeborg, Wilhelm, 1816 -1908 (W. Schultz, 1891)

Sveriges och Norges fiskar / af W. Lilljeborg - Lilljeborg, Wilhelm, 1816 -1908 (1881)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1984)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1985)

Synonymy of the British non-Marine Mollusca (Recent and Post-Tertiary) - Woodward, Bernard Barham, 1853 -1930 (1926)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Menkeano adservantur : cum synonymia critica et novarum specierum diagnosibus - Menke, Karl Theodor, 1791 -1861 (G. Uslar, 1830)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Mankeano adservantur : cum synonymia critica et novarum specierum diagnosibus / auctore Carolo Theodoro Menke - Menke, Karl Theodor, 1791 -1861 (Sumtibus auctoris, typis Henrici Gelpke, 1828)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Menkeano adservantur : cum synonymia critica et novarum specierum diagnosibus - Menke, Karl Theodor, 1791 -1861 (Sumtibus auctoris, typis Henrici Gelpke, 1828)

Synopsis methodica molluscorum generum omnium et specierum earum, quae in Museo Menkeano adservantur : cum synonymia critica et novarum specierum diagnosibus - Menke, Karl Theodor, 1791 -1861 (sumtibus Georgi Uslar, 1830)

Synopsis molluscorum extramarinorum Scandinaviæ (Sueciæ, Norvegiæ, Daniæ & Fenniæ) - Westerlund, Carl Agardh, 1831 -1908 ([s.n.], 1897)

A synopsis of the characters of the Carboniferous limestone fossils of Ireland - McCoy, Frederick, 1817 -1899 (Printed at the University Press by M.H. Gill, 1844)

A synopsis of the classification of the fresh-water Mollusca of North America, north of Mexico, and a catalogue of the more recently described species - Walker, Bryant, 1856 -1936 (The University, 1918)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, Angel Court, Skinner Street, 1840)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1838)

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 (Woodfall, 1842)

Synopsis of the contents of the British Museum - British Museum (printed by G. Woodfall, 1839)

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 Woodfall, 1837)

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, 1838)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, Angel Court, Skinner Street, 1840)

Synopsis of the contents of the British Museum - British Museum (Woodfall, 1841)

A synopsis of the family Veneridae - Jukes-Browne, A. J. (Alfred John), 1851 -1914

The Syrphid of the Ethiopian region based on material in the collection of the British Museum (Natural history), with descriptions of new genera and species - Bezzi, Mario, 1868 -1927 (Printed by order of the Trustees, 1915)

Systematische phylogenie - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1896)

Systematisches Conchylien-Cabinet - Kobelt, Wilhelm, 1840 -1916 (Bauer und Raspe, 1837)

Systematisches Verzeichniss der in Deutschland lebenden Binnen-Mollusken - Kreglinger, Carl, (C.W. Kreidel's Verlag, 1870)

Tableau méthodique et descriptif des mollusques terrestres et d'eau douce de l'Agenais - Gassies, Jean Baptiste, 1816 -1883 (J.-B. Baillière; [etc., etc.], 1849)