BioStor
 | Beiträge zur Käferfauna von Manipur (Vorderindien) A Nonfried (1893) Berliner entomologische Zeitschrift. Berlin 38: 327-340 |
 | Notes on Some Species of the Genus Anomala with Descriptions of New Species Charles Schaeffer (1906) Journal of The New York Entomological Society 14: 1-5 |
 | Results of the entomological collecting expedition of the University of Kansas to Pima County, Arizona in June and July, 1906 Snow Francis Huntington (1906) Transactions of the Kansas Academy of Science, Topeka 20: 140-164 |
 | Contributions toward a knowledge of the insect fauna of Lower California. No. 10. Cole-optera: Scarabaeidae L W Saylor (1948) Proc. Calif. Acad. Sci., San Francisco 24: 337-374 |