Choudhury, K. 2010. “Rediscovery of Two Rare Butterflies Papilio Elephenor Doubleday, 1845 and Shijimia Moorei Leech, 1889 from Proposed Ripu-Chirang Wildlife Sanctuary, Assam, India”. Journal of Threatened Taxa 2 (4):831-34. https://doi.org/10.11609/JoTT.o2303.831-4.