Check-list and bibliography on the occurrence of insects in birds' nests - Hicks, Ellis A. (Iowa State College Press, 1959)

Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1951)

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

Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1986)

Check-list of birds of the world - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Harvard University Press, 1967)

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