| Lynam, R.; Walker, H., 1961. Odd scenes for a Queen - (A) tiger hunt and ring around a rhino. Life Magazine 50 (12) 24 Mar: 45-48, 51-52, 54, 9 images
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| Walker, H.W., 1910. Wanderings among South sea savages and in Borneo and the Philippines. London, Witherby & Co, pp. 1-376
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| Falconer, H.; Walker, H., 1859. Descriptive catalogue of the fossil remains of vertebrata from the Sewalik Hills, the Nerbudda, Perim Island, &c. in the museum of the Asiatic society of Bengal. Calcutta, C.B.Lewis
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| Walker, H., 1843. A catalogue of the mammalia of Assam. Calcutta Journal of Natural History 3: 265-268
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