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)

A check list of Rhode Island nesting birds, with data - Remington, Charles H. (1908)

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, 1905)

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)

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

Checklist of the birds of Massachusetts - Massachusetts. Division of Fisheries; Wildlife. (Massachusetts Division of Fisheries & Wildlife, 1998)

Checklist of the recent vertebrate fauna of the Lubbock Lake Landmark State Historical Park, 1955-1997 - Bradley, Robert D. (Texas Tech University Press, 1998)

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

Checklists for the CORINE Biotopes Programme and its application in the PHARE countries of Central and East Europe: including comparisons with relevant conventions and agreements on the conservation of European species and habitats - WCMC (EC, 1994)

cheng shi sheng tai xue - zhong ye zun zheng zhao tian zhen ban gu gao jiu an bu xi ye (ke xue chu ban she, 1986)

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

Ciba Foundation colloquia on ageing - Ciba Foundation. (Little, Brown, 1959)

Circular - Massachusetts. State Board of Agriculture. (1913)

Civic biology; a textbook of problems, local and national, that can be solved only by civic coöperation - Dawson, Jean, 1873 - (Ginn and Company, 1918)

Civic biology, a textbook of problems, local and national, that can be solved only by civic coöperation - Hodge, Clifton F. (Clifton Fremont), 1859 -1919 (Ginn, 1918)

Civic biology; a textbook of problems, local and national, that can besolved only by civic cooperation - Dawson, Jean, 1873 - (Ginn and company, 1918)

A classification of Ontario birds - Snyder, L. L. (Lester Lynne), 1894 - (Royal Ontario Museum of Zoology, 1950)

A classification of Recent birds - Rothschild, Lionel Walter Rothschild, Baron, 1868 -1937 (American Museum of Natural History, 1951)

The classification of the olive warbler, Peucedramus taeniatus - George, William Gordon, 1925 - (American Museum of Natural History, 1962)

Clover-leaf weevil - Tower, Daniel Gordon, 1889 - (U.S. Dept. of Agriculture, 1920)

[Collected reprints, 1895-1916 - Beal, F. E. L. (Foster Ellenborough Lascelles), 1840 -1916 (s.n, 1900)

[Collected reprints, 1911-1931 - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (s.n, 1900)

The Collecting net - Marine Biological Laboratory (Woods Hole, Mass.) (The Collecting net, 1935)

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

Colombia, 1941 : to collect bird specimens for the USNM; Accompanied by Melbourne Armstrong Carriker, Jr. Correspondence, film notes, reference materials, and a field report; Correspondents include Carriker, Ventura Barnes, Jr., Armando Dugand, F. Carlos Lehmann V., William H. Phelps, William Wilson Popenoe, and James Zetek - Wetmore, Alexander, 1886 -1978 (1941)

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)

The common birds of Bombay - Aitken, Edward Hamilton, 1851 -1909 (Thacker, 1900)

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

Communication and other social behavior in Parus carolinensis - Smith, Susan T. (The Club, 1972)

Communication and relationships in the genus Tyrannus - Smith, W. John (William John), 1934 - (The Club, 1966)

Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus - Nelsen, Olin E. (Olin Everett), 1898 - (Blakiston, 1953)

Comparative physiology of temperature regulation - Arctic Aeromedical Laboratory (U.S.) (Arctic Aeromedical Laboratory, 1962)

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)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1900)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1899)

Compte-rendu des séances du sixième Congrès international de zoologie, tenu à Berne du 14 au 19 août 1904 (W. Kündig & fils, 1905)

Comptes rendus des séances de la Société de biologie - Société de biologie (Paris, France) (Masson et Cie, 1918)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1900)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1901)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1907)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1912)

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, 1886)

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, 1887)

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, 1890)

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, 1903)

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, 1912)

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, 1922)

Comunicaciones del Museo nacional de Buenos Aires - Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (The Museo, 1901)

Concealing-coloration in the animal kingdom; an exposition of the laws of disguise through color and pattern: being a summary of Abbott H. Thayer's discoveries - Thayer, Abbott Handerson, 1849 -1921 (The Macmillan Co, 1909)

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, 1905)

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, 1911)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1913)

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

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

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1919)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1920)

The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1921)