See also: Manufacturers
Free Daily Jigsaw Puzzle
freedailyjigsawpuzzles.com
Information, resources and online archive of free jigsaw puzzles.
Jigsaw Puzzle Tournament.us
jigsawpuzzletournament.com
Organizes American and International tournaments.
Springbok Jigsaw Puzzles
geocities.com
A hobby reference site specific to this brand of puzzles.