BioStor
 | Synonymy of the Homoptera described by Say, Harris and Fitch Van Duzee E P. (1890) Psyche 5: 387-391 |
 | 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 |
 | Synonymy of the Provancher Collection of Hemiptera E P Van Duzee (1912) Canadian Entomologist 44: 317-329 |