1. Ripley, S. D., and G. E. Watson (1956). Cuban bird notes. Postilla 26:1–6.
2. Butchart, S. H. M., and A. J. Stattersfield, Editors (2004). Threatened Birds of the World 2004. CD-ROM. BirdLife International, Cambridge, UK.
3. Bond, J. (1936). Birds of the West Indies. Academy of Natural Sciences of Philadelphia, Philadelphia, PA, USA.
4. Keith, A. R., J. W. Wiley, S. C. Latta, and J. A. Ottenwalder (2003). The Birds of Hispaniola. Haiti and the Dominican Republic: An Annotated Checklist. BOU Check-list 21. British Ornithologists’ Union, Tring, UK.
5. Garrido, O. H., G. B. Reynard, and A. Kirkconnell (1997). Is the Palm Crow, Corvus palmarum (Aves: Corvidae), a monotypic species? Ornitología Neotropical 8(1):15–21.