Monograph of the fossil Squalidae of the United States. Art. 14. Journal of the Academy of Natural Sciences of Philadelphia, 1(ser. 2), 191–206
Agriculture of the eastern counties, together with descriptions of the fossils of the marl beds. Report North Carolina Geol. Surv.: 1–314
An addition to the vertebrate fauna of the Miocene period, with a synopsis of the extinct Cetacea of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia, 19, 138–156
Dei resti di pesci fossili del Pliocene toscano. Atti della Società Toscana di Scienze Naturali, 1, 59–66
Nuovi studi sopra ai pesci ed altri vertebrati fossili delle Colline Toscane. Firenze, Tipografia dell Arte della Stampa: 1–122, pl. 1–5.
Studi comparativi sui pesci fossili coi viventi dei generi Carcharodon, Oxyrhina e Galeocerdo. Studi compar. pesci foss: 151 p., 25 pl.