Here is a list of some sports card and memorabilia sites and some for those with an interest in sports history.
Sports Collectors Daily --Sports collecting news site
Sports Card Channel --cool video!
Wax City--Unopened wax boxes from Amazon.com sellers
Robert Edward Auctions --sports card and memorabilia auction company
Memory Lane--sports card and memorabilia auction company
Huggins and Scott Auctions--sports card and memorabilia auction company
Sports Card Forum--talk, buy, sell and trade
CardPricer.com--checklists and price data
VintageCardPrices.com--checklists and price data
Game Worn Jerseys--game used jerseys and memorabilia cards
Game Used Universe--everything you need to know about game used sports memorabilia
Old Cardboard--vintage sports card info and checklists
Baseball Card Exchange--the largest inventory of unopened wax on the internet
NAXCOM --open an account to buy and sell
NFL Jerseys --official NFL jerseys at bargain prices (great for autographs!)
Sports Cards Rock Dedicated to the hobby of collecting and trading sports cards
NFL football information site. Featuring team history, franchise history, records, draft history, tickets, rules, and cheerleaders pages.