Rick Behar's www.estate48.com
Rick Horton - White Sox #145 Score 1989 Baseball Trading Card
Tee-Ball All-Star – SABR's Baseball Cards Research Committee
Ricky Horton Trading Cards: Values, Tracking & Hot Deals
1989 Score #489 Jerry Reuss VG Chicago White Sox - Under the Radar Sports
1989 SCORE 145 RICK HORTON WHITE SOX BASEBALL CARD - UGRADEIT C87
Back to Work - 5by5
1984 Topps Traded and Rookies Baseball #52T Ricky Horton RC Rookie St. Louis Cardinals MLB Trading Card pulled from Factory Set Break : Collectibles & Fine Art
Major League Baseball - 1971 MLB Baseball Cards
1989 Score #542 Mark Salas VG Chicago White Sox - Under the Radar Sports
Major League Baseball - 1971 MLB Baseball Cards
Updated trade list (updated 10-3-23), Page 7
1997 Collector's Choice album, Cardboard History Gallery
June 2005 - Sports Memorabilia Auctions
NY Mets Price List - Supercollector Catalog