1917
Bibliografía (8 obras)
A supplement to Distribution and taxonomy of birds of the world
1993
Phylogeny and classification of birds
1990
Distribution and taxonomy of birds of the world
Relationships of the Yellowbreasted Chat (Icteria Virens and the Alleged Slowdown in the Rate of Macromolecular Evolution in Birds)
1982
A comparative study of the egg white proteins of non-passerine birds
1972
A comparative study of the egg-white proteins of passerine birds
1970
A synopsis of the birds of the world
1955
Species formation in the red-eyed towhees of Mexico
1950
