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

A check list of mammals of the North American continent, the West Indies and the neighboring seas - Elliot, Daniel Giraud, 1835 -1915 (1905)

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 (F.W. Putnam, 1879)

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

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

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

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

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 species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1910)

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)