Cavity-nesting birds of Arizona and New Mexico forests - Patton, David R. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975)

A century of birds from the Himalaya Mountains - Gould, John 1804 -1881 (1831)

The changa or West Indian mole cricket - Van Zwaluwenburg, R. H. (Reyer Herman), 1891 -1970 (Porto Rico Agricultural Experiment Station, 1918)

Changes in breeding bird populations between 1930 and 1985 in the Quaker Run valley of Allegany State Park, New York - New York State Museum. (University of the State of New York, State Education Dept, 1990)

The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project - Illinois. Dept. of Energy; Natural Resources. (Ill. Dept. of Energy and Natural Resources, 1994)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1954)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1937)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1962)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1967)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1972)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1988)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1996)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1998)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2001)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2002)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2004)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2007)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2009)

Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1931)

Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1979)

Check list of British Columbia birds - Thayer, John Eliot, 1862 -1933 (R. Wolfeenden, Printer to the Queen, 1891)

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 Batrachia and Reptilia with a systematic list of the higher groups and an essay on geographical distribution, based on the specimens contained in the U. S. National Museum - Cope, E. D. (Edward Drinker), 1840 -1897 (G.P.O, 1875)

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

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

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

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)

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)

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)

Checklist of birds listed in the CITES appendices and in EC Regulation 338/97 (1999)

Checklist of birds listed in the CITES appendices and in EC Regulation 338/97 (2001)

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

Checklist of CITES Species (1998)

Checklist of CITES Species and Annotated CITES Appendices and Reservations - Inskipp, Tim (CITES Secretariat, UNEP-WCMC, 2005)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (2003)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (1996)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (2001)

Checklist of the birds of Belize - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1986)

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)

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

Cincinnati zoo guide - Stephan, Sol A. (Cincinnati zoological park association, 1924)

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

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

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 writings on mammals - Allen, J. A. (Joel Asaph), 1838 -1921 ([v.p.], 1870)

Collection of pamphlets on mollusks (1881)

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)

Colombia: La Lindosa, Capricho, Cerritos - Field Museum of Natural History. (The Field Museum, 2018)

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)

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

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

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

Compendium of natural features information - Maryland. State Planning Dept. (The Department, 1975)

Compléments de Buffon - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (P. Pourrat Frères, 1838)

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, 1903)

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

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, 1919)

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

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The continent we live on - Sanderson, Ivan Terence, 1911 -1973 (Random House, 1961)

Contribucion á la ornitologia cubana - Gundlach, Johannes Christoph, 1810 -1896 (Imp. "La Antilla" de N. Cacho-Negrete, 1876)

Contributions in natural history : a memorial volume in honor of Clyde Jones - Manning, Richard W. (Museum of Texas Tech University, 2016)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1961)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1969)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1980)

Contributions of the Maclurian Lyceum to the arts and sciences - Peale, Titian Ramsay, 1799 -1885 (Sold for the Maclurian Lyceum by J. Dobson, 1827)

Contributions to avian palaeontology from the Pacific coast of North America - Miller, Loye, 1874 -1970 (University of California press, 1912)