Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1957)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1962)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1965)

South African crustacea - Stebbing, Thomas R. R. (Thomas Roscoe Rede), 1835 -1926 (South African Museum, 1912)

South African quarterly journal - South African Literary; Scientific Institution (1830)

South African quarterly journal - South African Literary; Scientific Institution (1833)

Southern Africa. A geography and natural history of the country, colonies, and inhabitants from the Cape of Good Hope to Angola, together with notices of their origins, manners, habits, customs, traditions, superstitions, religious usages, languages, past and present conditions, manufactures, wepons, etc. ... - Fleming, Francis Patrick. (Arthur Hall, Virtue, and Co, 1856)

Spaziergange eines Naturforschers - Marshall, William, 1845 -1907 (A. Kroner, 1922)

Species taxa of North American birds; a contribution to comparative systematics - Mayr, Ernst, 1904 -2005 (The Club, 1970)

Die stämme der wirbeltiere - Abel, Othenio, 1875 -1946 (W. de Gruyter, 1919)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1885)

Standard values in nutrition and metabolism, being the second fascicle of a handbook of biological data - Albritton, Errett C. (Errett Cyril), 1890 - (Saunders, 1954)

Stemmata avium : quadraginta tabulis aeneis ornata ; accedunt nomenclatores, Polono-latinus et Latino-polonus = Geschlechtstafeln der Vögel, mit vierzig Kupfern erläutert - Klein, Jacob Theodor, 1685 -1759 (Apud Adam. Henr. Holle, 1759)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1872)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1875)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1876)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1877)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1878)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1879)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1880)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1887)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1873)

The structure and classification of birds - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and co, 1898)

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, 1905)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1932)

Studies on Cenozoic vertebrates of western North America ... - Colbert, Edwin H. 1905 -2001 (Carnegie Institution of Washington, 1938)

Studies on the structure & development of vertebrates - Goodrich, Edwin S. (Edwin Stephen), 1868 -1946 (Macmillan, 1930)

Studies scientific & social / by Alfred Russel Wallace - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co., limited, 1900)

A study of the incubation periods of birds; what determines their lengths - Bergtold, W. H. (William Harry), 1865 -1956 (The Kendrick-Bellamy co, 1917)

Supplement to the American ornithology of Alexander Wilson : Containing a sketch of the author's life ... - Ord, George, 1781 -1866 (J. Laval and S.F. Bradford, 1825)

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

Supplement to the code of nomenclature and check-list of North American birds. 1-17 - American Ornithologists' Union. (The Union, 1920)

Supplement to the General synopsis of birds - Latham, John, 1740 -1837 (Printed for Leigh & Sotheby, 1787)

Supplement to the History of British birds - Yarrell, William, 1784 -1856 (J. Van Voorst, 1845)

Supplementum Indicis ornithologici, sive systematis ornithologiae - Latham, John, 1740 -1837 (Prostat apud G. Leigh, J. et S. Sotheby, York-Street, Covent-Garden, 1801)

Sur l'classification de oiseaux depuis linné : discours pronouncé à la seance publique de la classe des sciences le 16 décembre 1879 - Sélys-Longchamps, Michel-Edmond, baron de, 1813 -1900 (F. Hayez, 1879)

Svensk zoologi - Swartz, Olof, 1760 -1818 (Tryckt hos Carl Delén, 1806)

Svenska foglarna - Åkerlund, Peter, 1835 -1871 (Tryckt hos J. & A. Riis, 1856)

Sveriges och Norges ryggradsdjur I. Däggdjuren - Lilljeborg, Wilhelm, 1816 -1908 (1871)

Symbolae physicae, seu, Icones et descriptiones corporum naturalium novorum aut minus cognitorum : quae ex itineribus per Libyam Aegyptum Nubiam Dongalam Syriam Arabiam et Habessiniam publico institutis sumptu Friderici Guilelmi Hemprich et Christiani Godofredi Ehrenberg : studio annis MDCCCXX-MDCCCXXV redierunt - Schumann, K. (Karl) 1851 -1904 (Ex Officina Academica, venditur a Mittlero, 1829)

Synonomik der europäischen Brutvögel und Gäste : systematisches Verzeichniss nebst Angaben über die geographische Verbreitung der Arten unter besonderer Berücksichtigung der Brutverhältnisse - Rey, Eugène, 1838 -1909 (G. Schwetschke'scher Verlag, 1872)

A synonymic catalogue of the recent marine Bryozoa : including fossil synonyms / by E. C. Jelly - Jelly, Eliza Catherine, 1829 -1914 (Dulau, 1889)

A synonymic catalogue of the recent marine bryozoa, including fossil synonyms - Jelly, Eliza Catherine, 1829 -1914 (Dulau, 1889)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1904)

Synopsis faunae Scandinaviae. Tom. 1. Pars 2, Aves - Billberg, Gustaf Johan, 1772 -1844 (Ex officina typogr. Caroli Deleen, 1828)

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 Accipitres (diurnal birds of prey) : comprising species and subspecies described up to 1920, with their characters and distribution - Gray, George Robert, 1808 -1872 (Priv. print. for the author, 1921)

A synopsis of the Accipitres (diurnal birds of prey) : comprising species and subspecies described up to 1920, with their characters and distribution - Swann, H. Kirke (Harry Kirke), 1871 -1926 (Wheldon & Wesley, 1922)

A synopsis of the Accipitres (diurnal birds of prey) : comprising species and subspecies described up to 1920, with their characters and distribution - Swann, H. Kirke (Harry Kirke), 1871 -1926 (Wheldon & Wesley, 1921)

A synopsis of the birds of North America - Audubon, John James, 1785 -1851 (Adam and Charles Black, 1839)

Synopsis of the contents of the British Museum - British Museum (Woodfall, 1842)

A synoptical catalogue of British birds; intended to identify the species mentioned by different names in several catalogues already extant. Forming a book of reference to Observations on British ornithology - Forster, T. (Thomas), 1789 -1860 (Printed by and for Nichols, son, and Bentley, 1817)

A synoptical list of the Accipitres (diurnal birds of prey) : comprising species and subspecies, described up to 1919, with their characters and distribution - Swann, H. Kirke (Harry Kirke), 1871 -1926 (J. Wheldon, 1920)

A synoptical list of the Accipitres (diurnal birds of prey) : comprising species and subspecies, described up to 1919, with their characters and distribution - Swann, H. Kirke (Harry Kirke), 1871 -1926 (J. Wheldon, 1919)

System der Ornithologie Westafrica's - Hartlaub, Gustav, 1814 -1900 (C. Schünemann, 1857)

System der Pterylographie. Nach seinen handschriftlich aufbewahrten Untersuchungen verfasst - Burmeister, Hermann, 1807 -1892 (E. Anton, 1840)

A System of natural history : containing scientifci [sic] and popular descriptions of man, quadrupeds, birds, fishes, reptiles and insects - Cuvier, Georges, baron, 1769 -1832 (Carter, Hendee, & Co, 1834)

Systema avium Australasianarum = A systematic list of the birds of the Australasian region - American Ornithologists' Union. (British Ornithologists' Union, 1927)

Systema helminthum / auctore Carolo Mauritio Diesing ... Sumptibus Academiae caesareae scientiarum - Diesing, Karl Moritz, 1800 -1867 (W. Braumüller, 1851)

Systema naturæ in quo naturae regna tria, secundum classes, ordines, genera, species, systematice, proponuntur - Linné, Carl von, 1707 -1778 (Apud G. Kiesewetter, 1740)

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 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)

Systema natvrae per regni tria natvrae secvndvm classes, ordines, genera, species, cvm characteribvs, differentiis, synonymis, locis - Linné, Carl von, 1707 -1778 (Io. Iac. Cvrt, 1760)

Systematic catalogue of the eggs of British birds - Malan, S. C. (John van Voorst, 1848)

Systematisch-summarische Uebersicht der neuesten zoologischen Entdeckungen in Neuholland und Afrika : nebst zwey andern zoologischen Abhandlungen - Meyer, Friedrich Albrecht Anton, 1768 -1795 (im Verlage der Dykischen Buchhandlung, 1793)

Systematische Aufzählung der Vögel Würtembergs, mit Angabe ihrer Aufenthaltsörter und ihrer Strichzeit - Landbeck, Christian Ludwig, 1807 -1890 (1834)

Systematische Darstellung der Fortpflanzung der Vögel Europa's mit Abbildung der Eier - Thienemann, Friedrich August Ludwig, 1793 -1858 (I.A. Barth, 1838)

Systematische übersicht der Vögel Bayerns mit Rucksicht auf das örtliche und quantitative Vorkommen der Vögel, ihre Lebensweise, ihren zug und ihre Abänderungen - Blasius, Rudolf, 1842 -1907 (Kommissionsverlag von R. Oldenbourg, 1891)

Systematische Übersicht der Vögel Nord-Ost-Afrika's : mit Einschluss der arabischen Küste des rothen Meeres und der Nil-Quellen-Länder südwärts bis zum 4. Grade nördl. Breite - Heuglin, Theodor von, 1824 -1876 (K. Akademie der Wissenschaften, 1856)

Systematische Uebersicht der Thiere Brasiliens : welche während einer Reise durch die Provinzen von Rio de Janeiro und Minas geraës gesammlt oder beobachtet Wurden - Burmeister, Hermann, 1807 -1892 (G. Reimer, 1856)

Systematische Uebersicht der Vögel Nord-Ost-Afrika's : nebst Abbildung und Beschreibung von fünfzig Theils unbekannten, Theils noch nicht bildlich dargestellten Arten - Rüppell, Eduard, 1794 -1884 (In Commission der S. Schmerber'schen Buchhandlung (nachfolger H. Keller), 1845)