1. Pere David's Laughingthrush (Pterorhinus davidi)
2. Humphrey, P. S., and K. C. Parkes (1959). An approach to the study of molts and plumages. Auk 76(1):1–31.
3. Eaton, J., and M. Nelson (2015). BirdtourAsia Sichuan (and Shaanxi) China Bird Tour Report for 24th May – 12th June 2015. Retrieved from https://drive.google.com/file/d/1Ufhxa3JnlbgDib6viO2Yih4lmSCk1zrQ/view
4. XV.-Notes on some Birds from Kansu, China.
5. MacKinnon, J., and K. Phillipps (2000). A Field Guide to the Birds of China. Oxford University Press, Oxford, UK.