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 (Sumtibus auctoris, typis Henrici Gelpke, 1828)

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 (G. Uslar, 1830)

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)

Synopsis molluscorum in regione palaearctica viventium ex typo Clausilia Drap - Westerlund, Carl Agardh, 1831 -1908 (Imperatorskaia Akademiia nauk, 1901)

Synopsis of an arrangement of invertebrate animals in the Free Public Museum of Liverpool - Higgins, H. H. (1874)

Synopsis of an arrangement of invertebrate animals in the Free Public Museum of Liverpool - Higgins, H. H. (Printed by D. Marples & Co, 1880)

Synopsis of the contents of the British Museum - British Museum ([the Museum], 1854)

Synopsis of the contents of the British Museum - British Museum (G. Woodfall and Son, 1852)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1844)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1847)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1846)

Synopsis of the contents of the British Museum - British Museum (Printed by Woodfall and Kinder, 1853)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1848)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1851)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1850)

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 (Natural History) ([the Museum], 1820)

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 Woodfall, 1837)

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 (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 (Woodfall, 1842)

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, 1838)

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 and Son, Angel Court, Skinner Street, 1840)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall and Son, 1845)

Synopsis of the contents of the British Museum - British Museum (Printed by G. Woodfall, 1849)

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

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

Synopsis, or guide book to the British Museum - Gray, John Edward 1800 -1875 (1843)

System der Europäischen Clausilien und ihrer Nächsten Verwandten - Schmidt, Adolf, 1812 -1899 (Theodor Fisher, 1868)

Systematic arrangement of the figures - Gray, John Edward 1800 -1875 (Longman, Brown, Green and Longmans?, 1850?, 1850)

Systematic list of the Frederick E. Edwards collection of British oligocene and eocene Mollusca in the British Museum (Natural History), with references to the type-specimens from similar horizons contained in other collections belonging to the Geological Department of the Museum - British Museum (Natural History). Department of Geology. (Printed by order of the Trustees, 1891)

Systematische Eintheilung der Land- und Fluss-Weichthiere nach ihren wesentlichen Kennzeichen, vorzuglich von der Schale : (Aus Histoire naturelle des Mollusques terrestres et fluiratiles de la France. Par Jacq. Philipp Raym. Deraparnaud.) - Sturm, Jakob, 1771 -1848 ([Gedruckt auf Kosten des Herausgebers], 1815)

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

Systematisches Conchylien-Cabinet - Kobelt, Wilhelm, 1840 -1916 (Bauer und Raspe, 1882)

Systematisches Conchylien-Cabinet - Kobelt, Wilhelm, 1840 -1916 (Bauer und Raspe, 1862)