BioStor
 | New limnophiline crane-flies from the United States and Canada (Tipulidae, Diptera) C P Alexander (1916) Journal of the New York Entomological Society 24: 118-125 |
 | Diptera of the superfamily Tipuloidea found in the District of Columbia C P Alexander and W L Mcatee (1920) Proceedings of the United States National Museum 58: 385-435 |
 | A list of the crane-flies taken in the vicinity of Hazleton, Pennsylvania (Diptera) W G Dietz (1921) Transactions of the American Entomological Society 47: 233-268 |