Classification der säugethiere und vögel - Kaup, J. J. (Johann Jacob), 1803 -1873 (C. W. Leske, 1844)

A classification of vertebrata, recent and extinct - Gadow, Hans, 1855 -1928 (Black, 1898)

A classified index and synopsis of The animal kingdom arranged in conformity with its organization - Gray, John Edward 1800 -1875 (Printed for Whittaker and Co, 1835)

A classified list of the names and Latin synonyms of the British birds; including the names of all species observed up to the present time in the British Isles... - Sealy, Alfred Forbes. (Printed by J. Webb, 1853)

The code of nomenclature and check-list of North American birds : adopted by the American Ornithologists' Union : being the report of the Committee of the Union on Classification and Nomenclature - American Ornithologists' Union. Committee on Classification; Nomenclature. (1886)

[Collected reprints, 1902-1928 - Howell, Arthur H. (Arthur Holmes), 1872 -1940 (s.n, 1900)

The collection of birds in the Shanghai Museum - La Touche, J. D. D. (John David Digues), 1861 -1935 (1909)

College zoology - Hegner, Robert William, 1880 -1942 (The Macmillan company, 1912)

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1918)

Color key to North American birds - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & company, 1903)

Color key to North American birds : with bibliographical appendix - Reed, Chester A. (Chester Albert), 1876 -1912 (D. Appleton & Co, 1912)

Color key to North American birds; with bibliographical appendix - Reed, Chester A. (Chester Albert), 1876 -1912 (D. Appleton, 1912)

Coloured figures of the birds of the British Islands / issued by Lord Lilford - Salvin, Osbert, 1835 -1898 (R. H. Porter, 1885)

Coloured illustrations of British birds, and their eggs - Meyer, H. L. (Henry Leonard), 1864 (G.W. Nickisson, 1848)

Coloured illustrations of the eggs of British birds - Hewitson, William C. (William Chapman), 1806 -1878 (J. Van Voorst, 1856)

Coloured illustrations of the eggs of British birds, accompanied with descriptions of the eggs, nests, etc - Hewitson, William C. (William Chapman), 1806 -1878 (J. Van Voorst, 1846)

Commentarii de rebus in scientia naturali et medicina gestis - Johann Friedrich Gleditschens Buchhandlung, (Apud Ioh. Fridericum Gleditsch, 1754)

Commentarii de rebus in scientia naturali et medicina gestis - Johann Friedrich Gleditschens Buchhandlung, (Apud Ioh. Fridericum Gleditsch, 1752)

Compendium der Helminthologie. Ein Verzeichniss der bekannten Helminthen, die frei oder in thierischen Körpern leben, geordnet nach ihren Wohnthieren, unter Angabe der Organe, in denen sie gefunden sind, und mit Beifügung der Litteraturquellen - Linstow, Otto von, 1842 -1916 (Hahn'sche Buchhandlung, 1878)

Compendium der Helminthologie : Nachtrag : die Litteratur der Jahre 1878-1889 - Linstow, Otto von, 1842 -1916 (Hahn'sche Buchhandlung, 1889)

Compendium der vergleichenden Anatomie : zum Gebrauche für Studierende der Medizin - Rawitz, Bernhard, 1857 - (Hartung, 1893)

A compendium of the ornithology of Great Britain, with a reference to the anatomy and physiology of birds - Atkinson, John, 1787 -1828 (Printed for Hurst, Robinson and co.; [etc., etc.], 1820)

Compléments de Buffon - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (P. Pourrat Frères, 1838)

Compléments de Buffon races humaines et mammifères - Lesson, R. P. (René Primevère), 1794 -1849 (P. Pourrat, 1840)

The complete writings of Thomas Say on the entomology of North America - Ord, George, 1781 -1866 (Baillière brothers, 1859)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1856)

Conchologia iconica, or, Illustrations of the shells of molluscous animals - Sowerby, G. B. (George Brettingham), 1812 -1884 (Reeve, Brothers, 1854)

Conchologia iconica, or, Illustrations of the shells of molluscous animals - Sowerby, G. B. (George Brettingham), 1812 -1884 (Reeve, Brothers, 1864)

Conchological miscellany (1834)

A concise handbook of British birds - Swann, H. Kirke (Harry Kirke), 1871 -1926 (J. Wheldon, 1896)

Congrès Scientifiques de France (1834)

Conradi Gesneri medici Tigurini Historiae animalium liber primus de quadrupedibus viuiparis : opus philosophis, medicis, grammaticis, philologis, poëtis, & omnibus rerum linguarumq́ue variarum studiosis, vtilissimum simul iucundissimumq́ue futurum - Gessner, Conrad, 1516 -1565 (In Bibliopolio Cambieriano, 1586)

Contents and index to volume 12, numbers 1 to 19, Zoological series - Field Museum of Natural History. (Field Museum of Natural History, 1929)

Contribucion á la ornitologia cubana - Gundlach, Johannes Christoph, 1810 -1896 (Imp. "La Antilla" de N. Cacho-Negrete, 1876)

Contributions à la faune ornithologique de l'Europe occidentale : recueil comprenant les espèces d'oiseaux que se reproduisent dans cette région ou qui s'y montrent régulièrement de passage, augmenté de la description des principales espèces exotiques les plus voisines des indigènes ou susceptibles d'ètre confondues avec elles, ainsi que l'énumération des races domestiques - Olphe-Galliard, Léon, 1825 -1893 (L. Lasserre, 1889)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1963)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1971)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1980)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1970)

Contributions of the Maclurian Lyceum to the arts and sciences - Peale, Titian Ramsay, 1799 -1885 (Sold for the Maclurian Lyceum by J. Dobson, 1827)

Contributions to biology from the Hopkins Seaside Laboratory of the Leland Stanford Jr. University - Hopkins Seaside Laboratory. (The University, 1895)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1850)

Contributions to the anatomy of birds - Shufeldt, Robert Wilson 1850 -1934 (1882)

Contributions to the history of Australasian ornithology - Nuttall Ornithological Club. (Nuttall Ornithological Club, 2008)

Contributions to the history of Australasian ornithology - Nuttall Ornithological Club. (Nuttall Ornithological Club, 2012)

Contributions to the natural history of Labuan, and the adjacent coasts of Borneo - Dillwyn, Lewis Llewellyn. (J. Van Voorst, 1855)

Contributions to the natural history of the Bermudas. Vol. I - Goode, G. Brown (George Brown), 1851 -1896 (Govt. print. off, 1884)

Contributions to the natural history of the fresh water fishes of North America. I, A monograph of the cottoids - Girard, Charles, 1822 -1895 (Smithsonian Institution, 1851)

A Cornish Fauna : being a compendium of the Natural History of the County, intended to form a companion to the Collection in the Museum of the Royal Institution of Cornwall. Part 1, the vertebrate animals and crustaceans - Couch, Jonathan, 1789 -1870 (Lake & Lake, 1838)

A Cornish fauna : being a compendium of the natural history of the county : intended to form a companion to the collection in the Museum of the Royal Institution of Cornwall - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1838)

A Cornish Fauna : being a compendium of the Natural History of the County, intended to form a companion to the Collection in the Museum of the Royal Institution of Cornwall. Part 3, The Zoophytes and Calcareous Corallines - Couch, Jonathan, 1789 -1870 (1844)

A Cornish fauna; being a compendium of the natural history of the county, intented to form a companion to the collection in the Museum of the Royal Institution of Cornwall. Part 1, Containing the vertebrate, crustacean, and a portion of the radiate animals - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1838)

A Cornish fauna; being a compendium of the natural history of the county, intented to form a companion to the collection in the Museum of the Royal Institution of Cornwall. Part 3, Containing the zoophytes and calcareous corallines - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1844)

A Cornish fauna : being a compendium of the natural history of the county intended to form a companion to the collection in the Royal Institution of Cornwall / by J. Couch [and Richard Q. Couch]. pt. 3 - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1844)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1848)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1857)

The Coues check list of North American birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1882)

Country rambles, and Manchester walks and wild flowers: being rural wanderings in Cheshire, Lancashire, Derbyshire, & Yorkshire - Grindon, Leo H. (Leo Hartley), 1818 -1904 (Palmer & Howe, 1882)

Cretaceous fauna of southern India - Stoliczka, Ferdinand, 1838 -1874 (Geological Survey Office, 1868)

Cruise of the "Alert." Four years in Patagonian, Polynesian, and Mascarene waters (1878-82) - Coppinger, R. W. (Richard William) (S. Sonnenschein and Co, 1899)

Cruise of the "Alert" : four years in Patagonian, Polynesian, and Mascarene waters. (1878-82) - Coppinger, R. W. (Richard William) (Worthington, 1884)

Cruise of the "Alert" : four years in Patagonian, Polynesian, and Mascarene waters, 1878-82 - Coppinger, R. W. (Richard William) (W.S. Sonnenschein, 1884)

Die culturpflanzen Norwegens - Schübeler, F. C. (Frederik Christian), 1815 -1892 (Gedruckt bei Brøgger & Christie, 1862)

Cuvier's animal kingdom : arranged according to its organization - Cuvier, Georges, baron, 1769 -1832 (Orr and Smith, 1834)

Cuvier's Animal kingdom : arranged according to its organization, forming the basis for a natural history of animals, and an introduction to comparative anatomy : illustrated by three hundred engravings on wood - Blyth, Edward, 1810 -1873 (W.S. Orr and Co, 1840)

The cyclopaedia of anatomy and physiology - Owen, Richard, 1804 -1892 (Sherwood, Gilbert, & Piper, 1836)

The cyclopaedia of anatomy and physiology - Todd, Robert Bentley, 1809 -1860 (Longman, Brown, Green, Longmans, & Roberts, 1852)

The cyclopædia of India and of Eastern and Southern Asia : commercial, industrial and scientific, products of the mineral, vegetable, and animal kingdoms, useful arts and manufactures - Balfour, Edward, 1813 -1889 (B. Quaritch, 1885)

The cyclopædia; or, Universal dictionary of arts, sciences, and literature - Rees, Abraham, 1743 -1825 (Longman, Hurst, Rees, Orme & Brown [etc.], 1819)

D. Johann Peter Eberhards der Arzeneigelahrtheit ... : Versuch eines neuen Entwurfs der Thiergeschichte : nebst einem Anhang von einigen seltenen und noch wenig beschriebenen Thieren ; mit Kupfern - Eberhard, Johann Peter, 1727 -1779 (In der Rengerischen Buchhandlung, 1768)

Däggdjuren, jemte inledning till ryggradsdjuren - Lilljeborg, Wilhelm, 1816 -1908 (W. Schultz, 1874)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1926)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1954)

Danmarks fugle, beskrevne - Kjaerbølling, N. (Niels), 1806 -1871 (Forfatterens Forlag, 1852)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1913)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1914)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1916)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1917)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1920)

Dansk ornithologisk forenings tidsskrift - Dansk ornitologisk forening. (Den Forening, 1922)

De glandularum secernentium structura penitiori earumque prima formatione in homine atque animalibus commentatio anatomica - Müller, Johannes, 1801 -1858 (Vossii, 1830)

De Helminthibus acanthocephalis; commentatio historico-anatomica. Adnexo recensu animalum, in Museo vindobonensi circa helminthes dissectorum, et singularum speciocrum harum in illis repertarum - Westrumb, August H. L. (1821)

De historia systematis avium nonnullia - Scheye, Israel. (1855)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1904)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1926)

Department of the Interior, Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Print, 1902)

Des causes des migrations des animaux, et particulierement des oiseaux et des poissons - Serres, Marcel de, 1783 -1862 (1842)

Des hybrides à l'état sauvage. Règne animal. 1. volume. (Classe des oiseaux) - Suchetet, André, 1849 - (Impr. Le Bigot frères, 1896)

Des hybrides à l'état sauvage. Règne animal. 1er volume. (Classe des oiseaux) - Suchetet, André, 1849 - (Impr. Le Bigot frs, 1896)

Des Ritters Carl von Linné ... Vollständiges Natursystem : nach der zwölften lateinischen Ausgabe, und nach Anleitung des holländischen Houttuynischen Werks, mit einer ausführlichen Erklärung - Linné, Carl von, 1707 -1778 (bey Gabriel Nicolaus Raspe, 1776)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (Princeton University Press, 1981)

The descent of man : and selection in relation to sex - Darwin, Charles, 1809 -1882 (Merrill and Baker, 1874)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (John Murray, 1888)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (John Murray, 1871)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (Murray, 1922)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (D. Appleton and company, 1871)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (J. Murray, 1871)

A descriptive catalogue of Japanese wild birds, useful and injurious, exhibited in the World's Columbian Exposition - Japan. Nōrinshō. Nōmukyoku. (Agricultural Bureau of the Department of Agriculture and Commerce, Japan, 1893)

Descriptive catalogue of the nests & eggs of birds found breeding in Australia and Tasmania - North, Alfred J. (Alfred John), 1855 -1917 (F. W. White, Printer, 1889)

Descriptive catalogue of the nests & eggs of birds found breeding in Australia and Tasmania - North, Alfred J. (Alfred John), 1855 -1917 (F.W. White, general printer, 1889)