The Hobo Spider
- A fairly complete site about Tegenaria agrestis, the aggressive Hobo Spider, with information on the natural history of this spider, bite treatment, prevention and control and several photographs.
- http://www.hobospider.org/

Checklists, images, identification guides, and maps of Arachnida
- From the Discover Life website: images, checklists, identification keys and maps of Arachnida.
- http://www.discoverlife.org/nh/tx/Arachnida/

The Official Brown Recluse Spider website
- A vast amount of information about the brown recluse spider and its bite: symptoms, treatment, pictures of bites and notes on behavior and habitat.
- http://www.brownreclusespider.org

Baboon spiders of South Africa
- A short article of the online magazine Science in Africa that describes the South African baboon spiders (tarantulas) and gives a paragraph of more detailed information on the better known genera of these spiders. It includes some low-resolution pictures
- http://www.scienceinafrica.co.za/2002/november/baboon.htm

The Tarantula's Burrow
- Searchable databases about tarantulas and scorpions. Images, FAQs, care sheets, related cartoons, games, articles related links, and additional information about other spiders, snakes, and snails.
- http://arachnophiliac.co.uk/burrow/home.htm