Phthiraptera: Lice
- The characteristics of these wingless insects, their life cycle, feeding and habitat, with illustrations.
- http://www.ento.csiro.au/education/insects/phthiraptera.html

Lice
- Photographic article on these creatures.
- http://www.microscopy-uk.org.uk/mag/articles/louse.html

Crabs
- Photographs of Phtirius pubis and Pediculus capitis showing how lice found on different parts of the body vary.
- http://www.microscopy-uk.org.uk/mag/art98/crabs.html

Order: Phthiraptera
- Classification, illustrations, and range maps of Australian lice.
- http://www.ento.csiro.au/aicn/system/_phthira.htm

Phthiraptera
- Information and illustrations of lice from an Entomology course at N.C. State University.
- http://www.cals.ncsu.edu/course/ent425/compendium/phthir~1.html

Phthiraptera Central
- Taxonomy of human lice, scientific meetings, announcements, list of phthirapterists, collections, and louse resources.
- http://www.phthiraptera.org/