Playoff, Inc.:Official site of football card manufacturer Playoff, Inc. Product news, checklists and a dealer locator.
FootballCardShop.com: Offers singles, team sets, and graded cards.
Hirdy13 Collection: Collection of Miami Dolphins, NFL, Rugby, Australian Rules Football, Cricket, WWE Wrestling and NHL. Includes trade lists.
NFL Only: Offers NFL football cards.
Vintage Football Card Gallery: Comprehensive gallery of 1950's and 1960's football cards, searchable by player, team, college, or position.