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Check-list of birds of the world

Authors: G. W. Jr Cottrell, James C. Greenway, Ernst Mayr, Raymond A. Paynter, James L. Peters, Melvin A. Traylor - Harvard University Press eBooks 1931 cited by 1,096

Within each genus the species have been arranged in phylogenetic sequence as nearly as can be determined; subspecies are arranged geographically from North to South and from West to East.

Check-list of birds of the world | Litlas