Description of New Species of Paleozoic Echinodermata (1895)

Description of New and Remarkable Fossils from the Palaeozoic Rocks of the Mississippi Valley

North American Mesozoic and Cµnozoic Geology and Palµontology: An abridged history of our knowledge of the triassic, jurassic, cretaceous and tertiary formations of this continent

The American Palaeozoic Fossils: A Catalogue of the Genera and Species

North American Geology and Palaeontology: for the use of amateurs, students, and scientists

The American Palaeozoic Fossils: A Catalogue of the Genera and Species

Description of New Species of Palµozoic Echinodermata

The American Palaeozoic Fossils: A Catalogue of the Genera and Species, with Names of Authors, Dates, Places of Publication, Groups of Rock in Which Found, and the Etymology and Signification of the Words, and an Introduction Devoted to The...

North American Mesozoic and Cµnozoic Geology and Palµontology: An abridged history of our knowledge of the triassic, jurassic, cretaceous and tertiary formations of this continent