- Papilionidae of Russia - Information on species of Papilionidae in the former USSR, including type locality, synonyms, range, distribution and variation, taxonomic notes, habitat and biology, similar species, and photos of dead adults.
osipov.org/insects/papilion.htm
- Parnassius of the World - Photographs, common and scientific names, publication details, and general range maps for more than 50 species.
www.geocities.com/tgorw_sm/paindex.htm
- Swallowtails of North America - Distribution maps, species accounts, and photos of swallowtails (family Papilionidae) of the United States and northern Mexico.
www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/usa/swallowt.htm
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