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)

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

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

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 (F.W. Putnam, 1879)

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)

Check list of the birds of Ontario and catalogue of birds in the biological section of the museum, Department of Education, Toronto - Nash, Charles W. (Charles William), 1848 -1926 (s.n.], 1900)

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

Check list of the vertebrates of Ontario and catalogue of specimens in the biological section of the Provincial museum. Birds - Nash, Charles W. (Charles William), 1848 -1926 (L. K. Cameron, printer to the king's most excellent Majesty, 1905)

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

Chromosome number and individuality in the genus Crepis I-II - Babcock, E. B. (Ernest Brown), 1877 -1954 (1925)

Chronologischer Raupenkalender, oder, Naturgeschichte der europäischen Raupen : wie dieselben der Zeit nach in gewissen Monaten in der Natur zum Vorschein kommen : nebst einem einleitenden Vorbericht über das Aufsuchen und zweckmässige Erziehen der Raupen, Auffinden und Ueberwintern der Puppen, Einfangen und Aufbewahren der Schmetterlinge etc - Vogel, Christian Friedrich, 1837 - (Im Verlage von Theodor Bade, 1837)

Circular - Estación Experimental Agronómica de Santiago de las Vegas (Cuba) (La Estacin, 1909)

Circular / U.S. Fish and Wildlife Service - U.S. Fish; Wildlife Service (U.S. G.P.O.,, 1953)

Circular / U.S. Fish and Wildlife Service - U.S. Fish; Wildlife Service (U.S. G.P.O.,, 1955)

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

Class book of botany : being an introduction to the study of the vegetable kingdom - Balfour, John Hutton, 1808 -1884 (Adam and Charles Black, 1854)

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 living animals - Rothschild, Nathaniel Mayer Victor Rothschild, Baron, 1910 -1990 (Wiley, 1961)

Classification of Southwestern Montana plant communities : emphasizing those of Dillon Resource Area, Bureau of Land Management - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

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)

Collectanea ad omnem rem botanicam spectantia. Partim e propriis, partim ex amicorum schedis manuscriptis - Römer, J. J. (Johann Jacob), 1763 -1819 (Apud H. Gessnerum, 1809)

[Collected reprints, 1911-1931 - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (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)

Collection Académique partie etrangère - Société Royale des Sciences de Turin (Société Royale des Sciences de Turin, 1779)

A Collection of documents on Spitzbergen & Greenland : comprising a translation from F. Martens' Voyage to Spitzbergen, a translation from Isaac de La Peyrère's Histoire du Groenland, and God's power and providence in the preservation of eight men in Greenland nine moneths and twelve dayes - White, Adam, 1817 -1879 (Printed for the Hakluyt Society, 1855)

Les collections botaniques du Musée royal de physique et d'histoire naturelle de Florence au printemps de MDCCCLXXIV - Parlatore, Filippo, 1816 -1877 (Impr. successeurs Le Monnier, 1874)

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

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

Colonial and Indian Exhibition, 1886 official catalogue - Colonial; Indian Exhibition London, England) 1886 - (W. Clowes, 1886)

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)

The colours of animals : their meaning and use, especially considered in the case of insects - Poulton, Edward Bagnall, Sir, 1856 -1943 (D. Appleton, 1890)

Commentaires de M.P. André Matthiolus, medecin senois, sur les six liures de Pedacius Dioscoride Anazarbeen de la matiere medecinale : traduits de latin en françois par M. Antoine du Pinet, & de nouueau accreus d'vn bon nombre de figures, & reueus & augmentez en plus de mille lieux sur la derniere edition de l'autheur : auec plusieurs tables fort amples, les vnes medicinales, les autres des mots & matieres traitees esdits commentaires : le tout au prouffit & commodité des amateurs de la medicine - Mattioli, Pietro Andrea, 1501 -1577 (A l'Escu de Milan, par la vefue de feu Gabriel Cotier, 1572)

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

Commissioners' report - Ontario. Game; fish commission. (Printed by Warwick & sons, 1892)

The common raven - United States. Bureau of Land Management. (Washington, D.C, 1980)

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 Mr. Bullock's Museum. Containing a brief description of upwards of seven thousand natural and foreign curiosities, antiquities, and productions of the fine arts, collected principally at Liverpool, during several years of arduous research, and at an expence of upwards of twenty-two thousand pounds, and now open for public inspection, in the Great Room, no. 22, Piccadilly, London ... - Liverpool Museum (Liverpool, England) (Printed for the proprietor, by H. Reynell, 1810)