Description of vertebrate remains, chiefly from the Phosphate Beds of South Carolina. Journal of the Academy of Natural Sciences of Philadelphia, 8(2), 209–261
Remarks on fossils of the Ashley phosphate beds. Proceedings of the Academy of Natural Sciences of Philadelphia, 28, 86–87
Contributions to the extinct vertebrate fauna of the western territories. Report of the United States Geological Survey of the Territories, 1, 14–358
On some remains of Cretaceous fishes. Proceedings of the Academy of Natural Sciences of Philadelphia, 24, 162–163
Report on the vertebrate fossils of the Tertiary formations of the West. U.S. Geological and Geographical Survey of the Territories, 340–370
Remarks on ichthyodorulites and on certain fossil Mammalia. Proceedings of the Academy of Natural Sciences of Philadelphia, 22, 12–13
About Oncobatis pentagonus. Proceedings of the Academy of Natural Sciences of Philadelphia, 22, 69–71
Notice of American species of Ptychodus. Proceedings of the Academy of Natural Sciences of Philadelphia, 20, 205–208
Descriptions of Xystracanthus arcuatus and Cladodus occidentalis. Proceedings of the Academy of Natural Sciences of Philadelphia, (unnumbered volume), 3
Descriptions of the remains of fishes from the Carboniferous limestone of Illinois and Missouri. Transactions of the American Philosophical Society, 11, 87–90
Notices of extinct vertebrated animals discovered by Professor E. Emmons. Proceedings of the Academy of Natural Sciences of Philadelphia, 8, 255–257
Notice of remains of extinct vertebrated animals of New-Jersey, collected by Prof. Cook of the State Geological Survey under the direction of Dr. W. Kitchell. Proceedings of the Academy of Natural Sciences of Philadelphia, 8, 220–221
Descriptions of some remains of fishes from the Carboniferous and Devonian formations of the United States. Journal of the Academy of Natural Sciences of Philadelphia, 3(ser. 2), 159–165
Indications of twelve species of fossil fishes. Proceedings of the Academy of Natural Sciences of Philadelphia, 7, 395–397
Indications of five species, with two new genera, of extinct fishes. Proceedings of the Academy of Natural Sciences of Philadelphia, 7, 414
Squatina dumeril. Proceedings of the Academy of Natural Sciences of Philadelphia, 3, 247
