1. A classification of the living birds of the world based on DNA-DNA hybridization studies;Sibley;The Auk,1988
2. Monophyly of the passeriformes: test of a phylogenetic hypothesis;Raikow;The Auk,1982
3. The Age of Birds;Feduccia,1980
4. Birds, behavior, and anatomical evolution;Wyles,1983
5. Bird song, sexual selection, and female mating strategies;Payne,1983