Ackery PR (1975) A guide to the genera and species of Parnassiinae (Lepidoptera:Papilionidae). Bull. Br. Mus. nat. Hist. (Ent.) 31, 4 pdf
uoguelph.ca
Nazari, V., Zakharov, E.V., and Sperling, F.A.H., 2007. Phylogeny, historical biogeography, and taxonomic ranking of Parnassiinae (Lepidoptera, Papilionidae) based on morphology and seven genes. Molecular phylogenetics and Evolution, 42: 131-156. pdfArchived June 6, 2011, at the Wayback Machine
web.archive.org
Nazari, V., Zakharov, E.V., and Sperling, F.A.H., 2007. Phylogeny, historical biogeography, and taxonomic ranking of Parnassiinae (Lepidoptera, Papilionidae) based on morphology and seven genes. Molecular phylogenetics and Evolution, 42: 131-156. pdfArchived June 6, 2011, at the Wayback Machine