Survey on neurobiology. Bibliography of genetic neurology - National Research Council (U.S.). Committee on Neurobiology. (National Academy of Sciences-National Research Council, 1952)

Das Süsswasser-Aquarium : Geschichte, Flora und Fauna des Süsswasser-Aquariums, seine Anlage und Pflege - A.W. Hahn's Erben (Firm), (Verlag von Fritz Pfenningstorff, 1898)

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

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1981)

Sylva sylvarum: or, A naturall history. In ten centuries; whereunto is newly added the History naturall and experimentall of life and death, or, Of the prolongation of life - Bacon, Francis, 1561 -1626 (Printed by A.M. for William Lee, 1658)

A synonymic catalogue of Orthoptera - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees [by Taylor and Francis], 1910)

A synopsis of animal classification - Wilder, Harris Hawthorne, 1864 -1928 (H. Holt, 1902)

A synopsis of natural history: embracing the natural history of animals, with human and general animal physiology, botany, vegetable physiology and geology - Wyatt, Thomas, A. M. (T. Wardle, 1839)

A synopsis of the Amphibia of California - Storer, Tracy I. (Tracy Irwin), 1889 -1973 (University of California Press, 1925)

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, 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, 1835)

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, Angel Court, Skinner Street, 1836)

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, 1837)

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, 1832)

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)

A synopsis of the reptiles and amphibians of Illinois - Garman, Harrison, 1858 - (J. W. Franks, 1892)

System of ophthalmology - Duke-Elder, Stewart, Sir, 1898 -1978 (Mosby, 1958)

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

Systema reptilium. Fasciculus primus, Amblyglossae - Fitzinger, Leopold Joseph, 1802 -1884 (Braumüller et Seidel, 1843)

Systematics and zoogeography of the land and fresh-water mollusca of the New Hebrides - Solem, Alan, 1931 - (Chicago Natural History Museum, 1959)

Systematics of Litoria arfakiana of New Guinea and sibling species (Salientia, Hylidae) - Menzies, James I. (American Museum of Natural History, 1974)

Tableaux synoptiques des lépidoptères d'Europe, contenant la description de tous les lépidoptères connus jusqu'à ce jour. Tome 1, Diurnes - Guenée, A. (Achille), 1809 -1880 (Méquignon-Marvis Père et Fils, 1835)

The tailless batrachians of Europe - Ray Society. (Printed for the Ray society, 1897)