Letterboxing North America -  .

North America Webring -  .

About.com: Letterboxing and Geocaching Attract Walkers - - Article describing the basics and the factors that motivate people to start letterboxing.

Aisling Dart - - Artist from Salem, Massachusetts describes her boxes.

All Info About Raising Boys: Letterboxing Family Fun - - Brief article includes details on supplies and features instructions for participation with children.

Atlas Quest Letterboxing - - Trip planning portal offers clue search by country as well as tutorials and premium members services.

Brett and Penny's Letterboxing Page - - List of their boxes planted, found, and exchanged, primarily in Oregon and the Pacific Northwest.

British Columbia Letterboxes - - Introduction, photographs of personal stamps, and clues for boxes planted in southwest British Columbia.

Buckaroo's Letterboxing - - Clues for boxes she planted in Washington and Massachusetts.

Catbead Mischief - - Offering clues for letterboxes in the Syracuse, New York area.

Chowder's Southern California Letterboxes - - Search for boxes in Long Beach, San Bernardino and Lake Arrowhead, California.

Chuck's Letterboxing - - Chuck and Molly's letterboxes in Connecticut.

Connecticut Department of Environmental Protection: Letterboxing - - Official site supports letterboxing in publicly owned state forests.

Dartmoor Letterboxes - - Introduction, tips and things to avoid, news, survey, and letterbox clues for the Dartmoor area.

DartmoorLetterboxing.org - - History of the activity, similar to orienteering, begun in 1854 at Cranmere Pool on the moor, and now popular in many countries. Offers a forum and contact information.

Der Mad Stamper - - Rubber stamp carver Mitch offers instructions on how to carve a stamp, and some examples.

Dutch Letterbox Site - - Clues for boxes in Dartmoor and in the Netherlands. [English and Dutch.

First Finds - - Posts first finds submitted by new US letterboxers, organized by state.

Fish and Chips' Letterboxing Paradise - - Virtual letterbox clues lead visitors on an online hunt.

Fleur de Lis' Letterboxing Journal - - Weblog about his letterboxing hobby.

Fudrick's Letterboxing Travails - - Clues to letterboxes he has placed, mostly in the Northwest US.

Have Feet Will Travel - - Introduction, contact details, and guidelines for letterboxing in the Dartmoor area.

History of Dartmoor Letterboxing - - Account first published as "More Dartmoor Letterboxes" by Anne Swinscow in 1986.

Hitchhiker List - - Hitchhikers are a form of traveling letterbox. Site includes lists of hitchhikers and last reported letterbox location.

Holcomb Farm - - Clues to boxes hidden in Granby, Connecticut.

I-95 Letterboxes - - Clues to quick and easy letterboxes to find while traveling on Route I-95, from Maine to Florida.

Kansas Letterboxes - - Clues for letterboxes located in Kansas.

Letterboxers Anonymous - - Forum with clues and discussion topics. Includes helpful hints on methods and supplies.

Letterboxing Central - - Introductory information, message board, resources, links to clues, and tips for letterboxing with dogs.

Letterboxing Germany - - Clues for Germany and other European countries. Includes photos and tips. [English, German.

Letterboxing Northeast - - The Drew family of East Lyme, Connecticut, offer clues in New England states as well as Washington, DC, South Carolina, and Colorado.

Letterboxing Questionnaire - - British university student studying letterboxing for her dissertation asks visitors to answer a few questions on the activity.

Mark and Sue Pepe - - Couple from Kensington, Connecticut describe activities in eleven states and the island of Aruba.

Massachusetts Letterboxes - - Bonnie and Betsey Sennott offer clues to their boxes in Massachusetts.

Mirkwood's Letterboxing - - Clues to boxes placed by Ruthann Zaroff and her family throughout Michigan, plus images of the stamps she created for them.

MommaFox and Bald Eagle - - Anna and Paul offer clues to boxes in Connecticut, Massachusetts and Vermont.

Nebraska Letterboxing - - Information about letterboxing in and around Nebraska. Includes clues and logs for local letterboxes, as well as some resources for letterboxing in general.

NeeDeep's State Stamp Letterboxes - - Ambitious family project placing letterboxes in each state, patterned after the US quarters series.

New England Area Letterboxing Gatherings - - Mark & Sue's blog of letterboxing events in New England.

New Zealand Letterboxing - - Clues, views, and news including boxes from Team Psychokiwi, Judi, Linton, and the Bunny.

Oklahoma City Letterboxes by Dennis Williams - - Clues to boxes in Oklahoma City as well as New Mexico, Alabama, and Costa Rica.

Perfect Circle Letterboxing Guild - - Family and friends offer clues to letterboxes in New Jersey and Pennsylvania.

Ryan's Letterboxes - - Personal page with clues for boxes placed throughout the western United States, as well as a few in Canada, Africa, and Central America. Also includes tips for improving the stamp quality.

Silent Doug's Letterboxing Site - - Articles including getting started, outdoor ethics, and explanation of cryptic letterboxer codes. Also includes list of boxes found and clues for boxes placed in New York and Pennsylvania.

Silver Eagle's Letterbox Aerie - - Clues to nearly 100 letterboxes that Silver Eagle has placed in North America, primarily in Texas.

The Space Traveler - - Family offers clues for Pennsylvania, New York and other states.

Stamp-in-the-Box - - A collection of information and clues relating to letterboxing, a hobby that combines hiking, art, orienteering and mystery in a treasure-hunt style activity.

Steve's History of Dartmoor Letterboxing - - This Englishman from Torquay has written a brief history with a guide to the Tors and some examples of stamps.

Twograysquirrels Letterboxes - - Clues to letterboxes placed by twograysquirrels, mostly in Maryland and Virginia.

Urban Letterboxing - - Database of clues to letterboxes in urban locations, primarily in Europe.

Wanda and Pete's Letterboxes - - Clues for boxes placed primarily in Rhode Island, but a few in other states as well. Also includes logs of the movement of hitchhiker boxes, primarily in New England.

What is Letterboxing? - - Michelle Spalding offers a history of letterboxing in England and the United States with bibliography.

The World of Letterboxing Community - - Forums and worldwide clues database.

Yahoo! Groups: Letterboxing Northeast - - Discussion group for the northeastern US.

Yahoo! Groups: Letterboxing USA - - Discussion group for US letterboxers.

NPR : Letterboxing - - Radio host Linda Wertheimer and Thomas Johnston, an enthusiast in Washington, D.C., find a letterbox near the White House. [audio] (April 10, 2004)

The Gazette: Letterboxing a Hobby of Inky Fingers and Hidden Treasures - - Article on local letterboxing from chain of community newspapers near Washington, DC. (July 9, 2003)

Washington Post: Thinking Inside the Box - - Article by Caroline Kettlewell describes her discovery of the activity. (July 12, 2002)

Fox News: Letterboxing Makes Hiking an Adventure - - Feature story datelined Oakland, New Jersey. (June 14, 2002)

Smithsonian Magazine: They Live and Breathe Letterboxing - - Abstract of an article by Chris Granstrom, with link to a few references. (April 1, 1998)