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. (1957)

Check-list of North American birds - American Ornithologists' Union. (American ornithologists' union, 1910)

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

A check list of North American birds - Coues, Elliott, 1842 -1899 (F.W. Putnam, 1879)

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

Check-list of North American birds : according to the canons of nomenclature of the American Ornithologists' Union - American Ornithologists' Union. (The Union, 1889)

A check list of North American birds - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1874)

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, 1910)

A checklist of North American birds - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1873)

A checklist of the vertebrate animals of Kansas - Collins, Joseph T. (Museum of Natural History, University of Kansas, 1991)

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)

C.J. Schoenherr Genera et species curculionidum; catalogus - Schoenherr, C. J. (Carl Johan), 1772 -1848 (H. Jekel, 1849)

C.J. Schönherr, genera et species Curculionidum : Catalogus ab H. Jekel ... recensus et ordinatus - Jekel, Henri, 1816 -1891 (1849)

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 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)

Coleoptera und Lepidoptera : ein systematisches Verzeichniss, mit beygesetzten Preisen der Vorräthe - Dahl, Georg, 1769 -1831 (Gedruckt bey J. E. Akkermann, 1823)

Coleopterological notices - Casey, Thos. L. (Thomas Lincoln), 1857 -1925 (New York Academy of Sciences, 1892)

[Collected articles from The Ibis on the ornithology of Central America] - Salvin, Osbert, 1835 -1898 ([Blackwell Scientific], 1859)

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

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 figures of the eggs of British birds : with descriptive notices - Sharpe, Richard Bowdler, 1847 -1909 (Pawson and Brailsford, 1896)

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, 1752)

Common weeds of the farm & garden - Percival, John, 1863 -1949 (Frederick A. Stokes, 1910)

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)