1. The relationships of the Bornean bristlehead (Pityriasis gymnocephala) and the black-collared thrush (Clamydochaera jefferyi);Ahlquist;Journal of Ornithology,1984
2. The morphology of the syrinx in passer-ine birds;Ames;Bulletin of the Peabody Museum of Natural History,1971
3. The application of syringeal morphology to the classification of the Old World insect eaters (Muscicapidae);Ames;Bonner Zoologische Beitrage,1975
4. Evolutionary genetics of birds. I. Relationships among North American thrushes and allies;Avise;The Auk,1980a
5. Evolutionary genetics of birds. II. Conservative protein evolution in North American sparrows and relatives;Avise;Systematic Zoology,1980b