Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1987)

Check-list of North American birds - American Ornithologists' Union. (American Ornithologists' Union, 1895)

Check-list of North American birds - American Ornithologists' Union. (1957)

Check-list of North American birds - American Ornithologists' Union. (The Union, 1931)

Check-list of North American birds : the species of birds of North America from the Arctic through Panama, including the West Indies and Hawaiian Islands / prepared by the Committee on Classification and Nomenclature of the American Ornithologists' Union - American Ornithologists' Union. (American Ornithologists' Union, 1983)

A check list of the genera and species of Mallophaga - Clay, Theresa (BM(NH), 1952)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1910)

Chelonographia : oder, Beschreibung einiger Schildkröten nach natürlichen Urbildern / von D. Johann Julius Walbaum - Walbaum, Johann Julius, 1724 -1799 (In Commission bey Johann Friedrich Gleditsch, 1782)

The chewing lice : world checklist and biological overview - Price, Roger D. (Illinois Natural History Survey, 2003)

The civil and natural history of Jamaica : in three parts. In three dissertations. The whole illustrated with fifty copper-plates : in which the most curious productions are represented of the natural size, and delineated immediately from the objects - Browne, Patrick, 1720? -1790 (Printed for the author, and sold by T. Osborne and J. Shipton in Gray's-Inn, 1756)

Class book of zoology : designed to afford to pupils in common schools and academies a knowledge of the animal kingdom : with a list of the different species found in the state of New York : the whole scientifically and systematically arranged / Prof. by B. Jaeger - Jaeger, B. (Benedict), 1789 -1869 (D. Appleton & Company, 1849)

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

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 collected scientific papers of the late Alfred Henry Garrod, M.A., F.R.S - Forbes, W. A. (William Alexander), 1855 -1883 (R.H. Porter, 1881)

The collected scientific papers of the late William Alexander Forbes - Beddard, Frank E. (Frank Evers), 1858 -1925 (R.H. Porter, 1885)

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

Colour in nature; a study in biology - Newbigin, Marion I. (Marion Isabel), 1869 -1934 (J. Murray, 1898)

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, 1844)

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, 1752)

Companion to Gould's Handbook; or, Synopsis of the birds of Australia. Containing nearly one-third of the whole, or about 220 examples, for the most part from the original drawings - Gould, John 1804 -1881 (Thorne & Greenwell, 1877)

A companion to Mr. Bullock's London Museum and Pantherion : containing a brief description of upwards of fifteen thousand natural and foreign curiosities, antiquities, and productions of the fine arts, collected during seventeen years of arduous research, and at an expense of thirty thousand pounds : and now open for public inspection in the Egyptian Temple, just erected for its reception, in Piccadilly, London, opposite the end of Bond-Street - Howitt, Samuel, 1765? -1822 (Printed for the proprietor, 1812)

A companion to the London Museum, and Pantherion : containing a brief description of upwards of fifteen thousand natural and foreign curiosities, antiquities, and productions of the fine arts : now open for public inspection in the Egyptian Temple, Piccadilly, London - Bullock, W. (William), 1773? -1849 (Printed for the proprietor by Whittingham and Rowland, 1816)

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 historiae naturalis - Mitterpacher, Ludovico, 1734 -1814 (Sumptibus et typis typographiæ regiae Universitatis Pesthiensis, 1799)

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)

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, 1851)

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, 1853)

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, 1854)

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

The confessions of a beachcomber : scenes and incidents in the career of an unprofessional beachcomber in tropical Queensland - Banfield, Edmund James 1852 -1923 (T. Fisher Unwin, 1908)

Congrès Scientifiques de France (1843)

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)

Conspectus generum avium - Bonaparte, Charles-Lucien, 1803 -1857 (Apud E.J. Brill, 1850)