The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1995)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1997)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1998)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1999)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2000)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2002)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2003)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2004)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2006)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2007)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2008)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2010)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2013)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2014)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2015)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2016)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2017)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2018)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2019)

The Canadian naturalist and quarterly journal of science : with proceedings of the Natural History Society of Montreal - Natural History Society of Montreal. (Dawson, 1870)

The Canadian sportsman and naturalist - Couper, William, 1886 ([s.n.], 1881)

Canaries in the catbird seat : the past, present, and future of biological resources in a changing environment - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2009)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2009)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1930)

Cascade-Siskiyou National Monument : draft resource management plan/environmental impact statement - United States. Bureau of Land Management. Medford District. (U.S. Department of the Interior, Bureau of Land Management, Medford District Office, 2002)

Cascade-Siskiyou National Monument : proposed resource management plan/final environmental impact statement - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, Medford District Office, 2005)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1901)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1905)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1908)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1912)

Cassinia - Delaware Valley Ornithological Club (Delaware Valley Ornithological Club, 1916)

Catalogue des oiseaux de la province de Québec avec des notes sur leur distribution geographique - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (Des presses de J. Dussault, 1889)

Catalogue des oiseaux de la province de Québec avec des notes sur leur distribution géographique - Dionne, C.-E. (Charles-Eusèbe), 1846 -1925 (s.n.], 1889)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities - Field Museum of Natural History. (1949)

Catalogue of British Columbia birds - British Columbia Provincial Museum. (Printed by R. Wolfenden, 1904)

A catalogue of Canadian birds, By Montague Chamberlain - Chamberlain, Montague, 1844 -1924 (J. & A. McMillan, 1887)

A catalogue of Canadian birds with notes on the distribution of the species - Chamberlain, Montague, 1844 -1924 (J. McMillan, 1887)

Catalogue of North American birds, chiefly in the Museum of the Smithsonian Institution - Baird, Spencer Fullerton, 1823 -1887 (Smithsonian Institution, 1858)

A catalogue of the birds of Indiana - Butler, Amos W. (Amos William), 1860 -1937 (s.n, 1891)

Catalogue of the specimens illustrating the osteology of vertebrated animals, recent and extinct, contained in the Museum of the Royal College of Surgeons of England. Part III, Class Aves - Sharpe, Richard Bowdler, 1847 -1909 (1891)

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, 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, 1984)

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

The Chat - North Carolina Bird Club. (Carolina Bird Club, 1991)

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

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

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2017)

The Chat - North Carolina Bird Club. (Carolina Bird Club, 2020)

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

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

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

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

[Checklist environmental assessment for the Flower Creek timber sale] - Montana. Dept. of Natural Resources; Conservation. (Montana Dept. of Natural Resources and Conservation, Northwest Land Office, 2008)

Checklist of birds listed in the CITES appendices (1995)

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)