| 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. |
| Dartmoor_Letterboxing Includes a forum, image gallery, map of the area, contact details, and the history of the activity. |
| 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. |
| 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_Germany Clues for Germany and other European countries. Includes photos and tips. [English, German] |
| Letterboxing_Minnesota Includes letterboxing basics and clues for Minnesota letterboxes. |
| 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 the northeastern region of the United |
| 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. |
| 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. |