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Butterflies of the Eastern United States and Canada. With Special Reference to New England. 3 Bände. The Author, Cambridge MA 1888–1889.
Band 1: Nymphalidae and Lycaenidae. 1888, (Digitalisat).
Band 2: Papilionidae and Hesperidae. 1889, (Digitalisat).
The Fossil Insects of North America. With Notes on Some European Species. 2 Bände. Macmillan and Company, New York NY 1890.
Band 1: The Pretertiary Insects. 1890, (Digitalisat).
Band 2: The Tertiary Insects. 1889, (Digitalisat).
Index to the Known Fossil Insects of the World including Myriapods and Arachnids (= Bulletin of the United States Geological Survey. 71, ISSN8755-531X). Government Printing Office, Washington DC 1891, doi:10.3133/b71.
Tertiary Rhynchophorous Coleoptera of the United States (= Monographs of the United States Geological Survey. Band 21, ISSN0886-7550). Government Printing Office, Washington DC 1893, (Digitalisat).
The Life of a Butterfly. A Chapter in Natural History for the General Reader. Holt and company, New York NY 1893, (Digitalisat).
Revision of the Orthopteran Group Melanopli (Acridiidae), with special Reference to North American Forms. In: Proceedings of the United States National Museum. Band 20, 1898, ISSN0096-3801, S. 1–421, Tafel 1-26, (Auch als Sonderabdruck. Government Printing Office, Washington DC 1897).
Dazu: Supplement to a Revision of the Melanopli. In: Proceedings of the Davenport Academy of Natural Sciences. Band 7, 1897/1899 (1899), ZDB-ID 209129-X, S. 157–205, Tafel 7–9, (Auch als Sonderabdruck).
Every-Day Butterflies. A Group of Biographies. Houghton, Mifflin and Company, Boston MA u. a. 1899, (Digitalisat).
Catalogue of the Described Orthoptera of the United States and Canada. In: Proceedings of the Davenport Academy of Sciences. Band 8, 1899/1900 (1900), ZDB-ID 1009098-8, 1–101, Tafel 1–3, (Auch als Sonderabdruck).
Adephagous and Clavicorn Coleoptera from the Tertiary Deposits at Florissant, Colorado. With Descriptions of a few other Forms and a Systematic List of the Non-Rhynchophorous Tertiary Coleoptera of North America (= Monographs of the United States Geological Survey. Band 40). Government Printing Office, Washington DC 1900, (Digitalisat).
Alphabetical Index to North American Orthoptera described in the Eighteenth and Nineteenth Centuries (= Occasional papers of the Boston Society of Natural History. 6, ISSN0270-2452). Boston Society of Natural History, Boston MA 1901, (Digitalisat).