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O’Connor, L.; Choudhury, B.; Ali, S.; Bull, K.; Morgan, E. 2018. A survey of gastrointestinal parasites of wild and orphan greater one-horned rhino (Rhinoceros unicornis) in Kaziranga National Park, Assam, India. Journal of Zoo and Wildlife Medicine 49 (4): 1051-1053.
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Nripendra Narayan, Maharaja of Cooch Behar 1908. Thirty-seven years of big game shooting in Cooch Behar, the Duars and Assam. London, Rowland Ward; Bombay, Bennett, Coleman and Co., The Times Press. [identical to the 1908 edition at the Times Press, but initial pages differ. This edition available in October 1909].