BioStor
 | XXII. A revision of the genus Argynnis Henry J Elwes (1889) Transactions of The Royal Entomological Society of London 37: 535-575 |
 | Reports of the Sections (1907) Proceedings of The Academy of Natural Sciences of Philadelphia 59: 572-577 |
 | British Columbia Syrphidae, new species and additions to the list (1908) Canadian Entomologist 40: 1-14 |