  |
Letterboxing North America - http://www.letterboxing.org/
Includes a FAQ, links, glossary, and clues for letterboxes all over the United States. |
| |
Have Feet Will Travel - http://easyweb.easynet.co.uk/~have.feet/boxing/boxing.html
An introduction and guidelines to finding letterboxes on Dartmoor. Includes details of National Park by-laws and contact details for checking military activity. |
| |
Letterboxing Kids - http://www.letterboxing.org/kids/
Includes a map-reading game, photo album, story and instructions for making rubber stamps. |
| |
Silent Doug's Letterboxing Site - http://www.letterboxing.info
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. |
| |
Dutch Letterbox Site - http://home.wanadoo.nl/letterboxing/engels.htm
Provides information on getting started, codes of conduct, prehistoric Dartmoor and the 100 club. |