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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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Descriptions of Fossil Fishes, from the Upper Coal Measures of Nebraska. Proceedings of the American Philosophical Society, 11(81), 431–437
New species and a new genus of American Palaeozoic fishes, together with notes on the genera Oracanthus, Dactylodus, Polyrhizodus, Sandalodus, Deltodus. Transactions of the New York Academy of Sciences, 16, 282–304
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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