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Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
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On the fossil fishes of the Carboniferous Limestone Series of Great Britain. Scientific Transactions of the Royal Dublin Society, Series 2, 1: 327–548
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Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.
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Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868