BioStor
 | The entomology of the Mid-Alpine zone of Custer County Colorado Cockerell T.d.a. (1893) Transactions of the American Entomological Society 20: 305-370 |
 | In Proceedings of the New York Entomological Society. Meeting of October 4, 1904 W Davis (1905) Journal of the New York Entomological Society 13: 99-100 |
 | A comparison of ground beetle (Coleoptera: Carabidae) faunas of Valcour Island in Lake Champlain, New York and the adjacent mainland J E Powell and J S Waterhouse (1985) Proceedings of the Entomological Society of Washington 87: 834-842 |