» About Letterboxing    Learn about getting started in this hobby and its history. Includes FAQs, message boards and search clues.    http://www.atlasquest.com/aboutlb/

» Dutch Letterbox Site    Provides information on getting started, codes of conduct, prehistoric Dartmoor and the 100 club.    http://home.wanadoo.nl/letterboxing/engels.htm

» Have Feet Will Travel    An introduction and guidelines to finding letterboxes on Dartmoor. Includes details of National Park by-laws and contact details for checking military activity.    http://easyweb.easynet.co.uk/~have.feet/boxing/boxing.html

» Letterboxing Info Sheet    An explanation of the hobby for printing out and including in your own letterboxes.    http://members.aol.com/Letterboxr/infosheet.html

» Letterboxing Kids    Includes a map-reading game, photo album, story and instructions for making rubber stamps.    http://www.letterboxing.org/kids/

» Letterboxing North America    Includes a FAQ, links, glossary, and clues for letterboxes all over the United States.    http://www.letterboxing.org/

» Silent Doug's Letterboxing Site    Articles including getting started, outdoor ethics, a glossary, and an explanation of cryptic letterboxer codes. Also includes a list of boxes found and clues for boxes placed. Most clues are for boxes in the northeastern region of the United States.    http://www.letterboxing.info