31 books
The Adventures of Itty Bitty Me and Her Friends
Ickle Pickle
New Species of Palaeozoic Invertebrates From Illinois and Other States (Classic Reprint)
The American Palaeozoic Fossils: A Catalogue of the Genera and Species, With Names of Authors, Dates, Places of Publication, Groups of Books in Which Found, and the Etymology and Signification of the Words, and an Introduction Devoted to the Stratigraphic
North American Geology and Palæontology
North American Geology and Palæontology: For the Use of Amateurs, Students, and Scientists (Large Text Classic Reprint)
Description of New and Remarkable Fossils from the Palæozoic Rocks of the Mississippi Valley (Classic Reprint)
Bulletin No; 4 of the Illinois States Museum of Natural History: Upper Devonian and Niagara Crinoids (Classic Reprint)
Bulletin No; 3 of the Illinois State Museum of Natural History: Description of Some New Species of Invertebrates From the Palaeozoic Rocks of Illinois and Adjacent States (Classic Reprint)
The Cincinnati Quarterly, 1874, Vol. 1: Journal of Science (Classic Reprint)
The Journal of the Cincinnati Society of Natural History, Vol. 5 (Classic Reprint)
New Species of Crinoids Cephalopods and Other Palæozoic Fossils (Classic Reprint)
Bulletin No; 7 of the Illinois State Museum of Natural History: New and Interesting Species of Palæozoic Fossils (Classic Reprint)
Bulletin No; 10 of the Illinois State Museum of Natural History: New Species of Echinodermata and a New Crustacean From the Palæozoic Rocks (Classic Reprint)
Bulletin No; 5 of the Illinois State Museum of Natural History: New Genera and Species of Echibodermata (Classic Reprint)
Bulletin No.6. of the Illinois State Museum of Natural History. Description of New Species of Pal ozoic Echinodermata
Bulletin No. 7 of the Illinois State Museum of Natural History. New and Interesting Species of Plaeozoic Fossils
Description of Some New Species of Invertebrates from the Palaeozoic Rocks of Illinois and Adjacent States (Classic Reprint)
Bulletin No; 6 of the Illinois State Museum of Natural History
North American Mesozoic and Cænozoic Geology and Palæontology: Or, an Abridged History of Our Knowledge of the Triassic, Jurassic, Cretaceous and Tertiary Formations of This Continent (Classic Reprint)
Bulletin of the Illinois State Museum of Natural History Number 12
Bulletin of the Illinois State Museum of Natural History Number 10
Bulletin of the Illinois State Museum of Natural History Number 9
Bulletin of the Illinois State Museum of Natural History Number 3