Kurup, G. U. “Present Status of the Nilgiri Langur, <I>Presbytis johni< I> In the Anamalais Western Ghats”. Indian Forester 99, no. 8 (August 1, 1973): 518–521. Accessed February 18, 2026. https://indianforester.co.in/index.php/indianforester/article/view/26755.