| Mann, W., 1940. National Zoological Park Report (An Indian rhinoceros gift from Assam). Annual Report of the Board of Regents of the Smithsonian Institution 1940 (pub. 1941): Select pages
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| Mann, W.M., 1930. Wild animals in and out of the zoo. Washington DC, Smithsonian Scientific Series (vol. 6): pp. 1-362
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