America's 2000 Stamp Program: Image gallery from the U.S. Postal Service depicts highpoints of 20th century history in stamp format.
American Philatelic Society - Just for Kids: Offers information for beginning stamp collectors, FAQ, fun facts, and pictures of recently-released stamps.
British North American Philatelic Society: Has articles about stamp collecting, how to get started, what to choose and how to trade stamps, also includes games and glossaries.
Junior Philatelists: Young stamp collectors club with information on group and programs. Includes a guide to getting started and tips for avoiding common beginners' mistakes.
Linn's Stamp News: Online version of weekly stamp news magazine. Features include information on new issues from various parts of the world, a guide to postmarks, tips for care and handling, and a glossary of philatelic terms.
National Postal Museum: Traces American history through the mail. Virtual exhibits trace the evolution of the postage stamp, highlight advances in postal transportation, and survey the human element in cards and letters.
Phil Ately's: A guide to fulfilling Boy Scout requirements for a stamp collecting merit badge.
Planet stamp: Lets you discover stamp collecting; what it is and how to do it using games, projects, and useful resources.
Stamp Collecting: Tells how to collect stamps inexpensively. Includes over 100 stamp images.
Stamp Collecting for Kids: Offers stamp collecting tips and photographs of some themed collections.
Stamp News International: Provides updates on new issues from around the world.
Stamps 4 Kids: A guide to get started, assembling pages, and making your own album.
The Mystery Box: Combines philately, geography, history and travel into a unique collection of mystery stories springing from images of postage stamps.
Their Stamp on History: Explores the lives of important historical people whose pictures have appeared on U.S. postage stamps.