1. Dickinson, E. C., and L. Christidis, Editors (2014). The Howard and Moore Complete Checklist of the Birds of the World. Fourth Edition. Volume 2. Aves Press, Eastbourne, UK.
2. Horsfield, T., and F. Moore (1854). A Catalogue of the Birds in the Museum of the Honourable East India Company. Volume 1. W. H. Allen, London, United Kingdom.
3. Sharpe, R. B. (1882). A Catalogue of Birds in the British Museum. Volume 6. London. 421 pp.
4. Deignan, H. G. (1942). Nomenclature of certain Pycnonotidae. Auk 59(1):13–15.
5. Delacour, J. (1943). A revision of the genera and species of the family Pycnonotidae (bulbuls). Zoologica 28:17–28.