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

Check list of British Columbia birds - Fannin, John, 1839 -1904 (s.n, 1891)

Check list of New York birds - Farr, Marcus Stults, 1870 - (University of the State of New York, 1900)

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

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

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

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

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)

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

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 - Nash, Charles W. (Charles William), 1848 -1926 (Dept. of Education, 1900)

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)

Check list of the birds of Ontario and catalogue of birds in the biological section of the museum, Department of Education, Toronto - Nash, C. W. (Warwick Bros. & Rutter, 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)

Checklist of British Columbia birds - Fannin, John, 1839 -1904 (Printed by R. Wolfenden, 1891)

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

Children with fishes - Maskell, A. E. Anderson, Mrs. (D. Lothrop company, 1887)

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)

Circular / U.S. Fish and Wildlife Service - U.S. Fish; Wildlife Service (U.S. G.P.O.,, 1956)

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

Classes Conchyliorum - Bergen, Carl August von, 1704 -1759 (Apud Wolfgangum Schwarzkopfium, 1760)

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)

Coates's Herd Book - Strafford, H. (1846)

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)

Col©đquios dos simples e drogas da ©џndia - Orta, Garcia de, 16th cent. - (Imprensa Nacional, 1891)

[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)

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

Collection Académique. partie etrangère - Société Royale des Sciences de Turin (Société Royale des Sciences de Turin, 1757)

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)

[A collection of various papers; mostly on birds of Greenland, Denmark and the North Atlantic Ocean, 1892-1902.] - Helms, O. (Otto), 1866 -1942 (1892)

I colombi domestici e la colombicoltura - Bonizzi, Paolo, 1840 -1889 (U. Hoepli, 1887)

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 & Company, 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 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, 1850)

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)

Die Columella der Vögel (Columella auris avium) ihr Bau und dessen Einfluss auf die Feinhörigkeit; neue Untersuchungen und Beiträge zur comparativen Anatomie des Gehörorganes - Krause, Georg, 1858 -1915 (R. Friedländer & Sohn, 1901)

Commentarii de Bononiensi Scientiarum et Artium Instituto Atque Academia (1791)

Commentarii de rebus in scientia naturali et medicina gestis - Johann Friedrich Gleditschens Buchhandlung, (Apud Ioh. Fridericum Gleditsch, 1756)

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

The common objects of the sea shore : including hints for an aquarium - Wood, J. G. (John George), 1827 -1889 (Routledge, Warnes & Routledge, 1859)

The common objects of the sea-shore; including hints for an aquarium - Wood, J. G. (John George), 1827 -1889 (G. Routledge, 1890)

The common objects of the sea shore including hints for an aquarium - Wood, J. G. (John George), 1827 -1889 (George Routledge and Sons, 1857)

The common objects of the sea shore : including hints for an aquarium - Wood, J. G. (John George), 1827 -1889 (Routledge, Warne & Routledge, 1860)

Communication from the Governor, transmitting several reports relative to the Geological Survey of the State [1836-1840 - New York (State). Natural History Survey. (1839)

The comparative physiology of respiratory mechanisms - Krogh, August, 1874 -1949 (University of Pennsylvania press, 1959)

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)

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)

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)

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, 1875)

Comunicaciones - Sociedad Malacológica Del Uruguay. (1974)

Comunicaciones - Sociedad Malacológica Del Uruguay. (1986)

Conchologia iconica, or, Illustrations of the shells of molluscous animals - Sowerby, G. B. (George Brettingham), 1812 -1884 (Reeve, Brothers, 1843)

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

Condition and doings of the Boston Society of Natural History as exhibited by the annual reports - Boston Society of Natural History. (1864)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1899)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1901)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1904)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1907)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1909)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1915)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1917)

El Congreso ha expedido y el poder ejecutivo ha mandado ejecutar la siguente ley. El Senado y Cámara de representantes de la república de Colombia reunidos en congreso. : Considerando. Que el medio mas seguro de hacer prosperar las rentas nacionales es el de establecer un buen sistema de administracion, para que las leyes tengan su mas exacto cumplimiento, y los empleados, sujetos á la mas estricta responsibilidad, sientan un estímulo mas para desempenar fielmente sus funciones - Colombia. (s.n, 1824)

Conservation of marine birds of northern North America : papers from the international symposium held at the Seattle Hyatt House, Seattle, Washington, 13-15 May 1975 - U.S. Fish; Wildlife Service (U.S. Dept. of the Interior, Fish and Wildlife Service, 1979)