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, 1905)

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

Studies of tropical American birds - Nuttall Ornithological Club. (The Club, 1972)

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

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)

A study of the structure of feathers, with reference to their taxonomic significance - Chandler, Asa C. (Asa Crawford), 1891 -1958 (University of California press, 1916)

Summer birds of Flathead Lake - Silloway, Perley Milton (University of Montana, 1901)

Summer birds of the Chiricahua Mountains, Arizona - Tanner, James T. (James Taylor) (American Museum of Natural History, 1958)

Supplement to the code of nomenclature and check-list of North American birds 1-17 - American Ornithologists' Union. (The Union, 1902)

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)

Sur la flore de la Serra do Itatiaya au Brésil - Dusén, P. (Per), 1855 -1926 (Imprensa Nacional, 1905)

Swan lake, Nicollet County, Minnesota as a breeding ground for waterfowl - Oberholser, Harry C. (Harry Church), 1870 -1963 (1918)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1983)

Sylva : or, a discourse of forest trees - Evelyn, John, 1620 -1706 (Doubleday & Co, 1908)

Symbolorum et emblematum centuriae tres : I. Ex herbis & stirpibus. II. Ex animalibus quadrupedibus. III. Ex volatilibus & insectis - Camerarius, Joachim, 1534 -1598 (Typis Voegelinanis, 1605)

A synonymic catalogue of diurnal Lepidoptera - Kirby, W. F. (William Forsell), 1844 -1912 (J. Van Voorst, 1871)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1902)

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

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

Synopsis of the classification of the animal kingdom - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1882)

A synopsis of the classification of the British Palæozoic rocks / by the Rev. Adam Sedgwick ; With a systematic description of the British Palæozoic fossils in the Geological museum of the University of Cambridge, by Frederick McCoy - Salter, John William, 1820 -1869 (J.W. Parker and Son; [etc.], 1851)

Synopsis of the contents of the British Museum - British Museum ([the Museum], 1809)

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

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 (Woodfall, 1842)

Synopsis of the contents of the British Museum - British Museum (Printed by Cox and Baylis, 1813)

Synopsis of the contents of the British Museum - British Museum (printed by Cox & Baylis, 1815)

Synopsis of the contents of the British Museum - British Museum (Printed by Cox and Baylis, 1814)

Synopsis of the contents of the British Museum - British Museum (Cox & Baylis, 1817)

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, 1848)

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

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 Cox, Son, and Baylis, 1810)

Synopsis of the contents of the British Museum - British Museum (Printed by Cox, Son, and Baylis, 1809)

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 (G. Woodfall and Son, 1852)

Synopsis of the contents of the British Museum - British Museum (printed by Woodfall & Kinder, 1855)

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, 1847)

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 Woodfall, 1837)

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 (Printed by G. Woodfall, 1832)

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, Angel Court, Skinner Street, 1836)

Synopsis of the contents of the British Museum - British Museum (Printed by Richard and Arthur Taylor, 1818)

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, 1835)

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, 1838)

Synopsis of the contents of the British Museum - British Museum (printed by Woodfall and Kinder, 1856)

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 (printed by G. Woodfall, 1837)

Synopsis of the contents of the British Museum - British Museum (Printed by Cox, Son, and Baylis, 1811)

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 and Son, 1845)

Synopsis of the contents of the British Museum - British Museum (Printed by Richard and Arthur Taylor, 1819)

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)

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

Systema cerambycidarum, ou, Exposé de tous les genres compris dans la famille des cérambycides et familles limitrophes - Thomson, James Livingston, 1828 -1897 (Dessain, 1864)

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 plants of Wisconsin and Minnesota - Owen, David Dale, 1807 -1860 (Lippincott, Grambo, 1852)

A systematic table of Canadian birds - Chamberlain, Montague, 1844 -1924 (Published for the author, 1888)

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)

Systematisches Verzeichniss der naturhistorischen Sammlung der Gesellschaft Museum Abt. 1 Vögel - Gesellschaft Museum (Bremen, Germany) (C. Schünemann, 1844)

Systematisches Verzeichniss der von Herrn Ricardo Rohde in Paraguay gesammelten Vögel, und Appendix ... - Berlepsch, Hans Hermann Carl Ludwig,‏ ‎ Graf von, 1850 -1915 (1887)

Table analytique et raisonnée des matieres contenues dans les XXXIII volumes in-folio du Dictionnaire des sciences, des arts et des métiers, et dans son supplément - Papillon, Jean-Michel, 1698 -1776 (Chez Panckoucke, 1780)

Table des planches enluminéez d'histoire naturelle de M. D'Aubenton : avec les denominations de M.M. de Buffon, Brisson, Edwards, Linnaeus et Latham, precedé d'une notice des principaux ouvrages zoologiques enluminés - Boddaert, Pieter, 1730 -1795 ([s.n.], 1783)

Tableau encyclopédique et méthodique des trois règnes de la nature Ornithologie - Bonnaterre, Pierre Joseph, abbé, 1752? -1804 (Chez Mme. veuve Agasse, 1823)

Tableau synoptique de l'ornithologie du Canada classification et nomenclature du "Smithsonian Institution" de Washington - Smithsonian Institution (s.n.], 1864)

Taylor's standard American egg catalogue : comprising a directory of prominent oölogists and collectors' handbook : a correct basis for the exchange of nests and eggs arranged with margin for check-list - Taylor, Henry Reed, 1866 -1917 (H.R. Taylor, 1904)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1971)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1972)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1977)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1981)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1987)

Text book of vertebrate zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1899)

Text book of vertebrate zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1899)

A text-book of zoology for schools - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1851)

Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1875)

Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1877)

Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1821)