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References by this author
Lang, H. 1937. Threatened by the tse-tse fly campaign: the rare white rhinoceros. Illustrated London News 1937 December 18: 1117, figs 1-3.
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Lang, H. 1929. One of the last white rhinoceros in Umfolozi. Illustrated London News Saturday 09 February 1929: 226-227.
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Lang, H. 1929. An outstanding monument in the history of sculpture. Illustrated London News 1929 August 31: 380-381, fig. 1.
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Lang, H. 1925. Problems and facts about frozen siberian mammoths (Elephas primigenius) and their ivory. Zoologica 4 (2): 25-53, 11 figures.
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Lang, H. 1924. Asiatic rhinoceroses secured by the Faunthorpe-Vernay expedition. Natural History 24: 527-528, fig. 1.
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Lang, H. 1924. Threatened extinction of the white rhinoceros (Ceratotherium simum). Journal of Mammalogy 5: 173-180.
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Lang, H.; Vernay, A.S. 1924. [Museum] Notes: The Faunthorpe-Vernay expedition. Natural History 24 (4) July-August: 525-528, 3 plates.
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Lang, H. 1923. Recent and historical notes on the square-lipped rhinoceros (Ceratotherium simum). Journal of Mammalogy 4: 155-163, pl. 16, figs. 1-4.
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Lang, H. 1922. The white rhinoceros: a survivor of pleistocene giants. Illustrated London News 1922 April 29: 636.
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Lang, H. 1920. The white rhinoceros of the Belgian Congo. Bulletin of the New York Zoological Society 23 (4): 65-92, figs. 1-32, map 1.
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Allen, J.A.; Tjaeder, R.; Lang, H. 1907. The results of the Tjaeder Expedition. The American Museum Journal 7 (4) April: 58-62, 1 map, 4 plates.
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Anonymous; Lang, H.; Tjader, R. 1906. Baby rhinoceros here. New York Daily Tribune December 31, 1906: page 3, 1 plate.
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