Roy Oswalt Cards, Rookie Cards and Autographed Memorabilia Guide
Roy Oswalt 2004 Houston Astros Alternate Red Men's Jersey w/ All Star Patch
2005 Donruss #211 Roy Oswalt VG Houston Astros - Under the Radar Sports
2003 Sports Vault MLB Stickers checklist - Supercollector Catalog
2003 Sports Vault MLB Stickers checklist - Supercollector Catalog
2003 Sports Vault MLB Stickers checklist - Supercollector Catalog
Roy Oswalt Trading Cards: Values, Tracking & Hot Deals
Houston Astros history - 2003 season
2003 Sports Vault MLB Stickers checklist - Supercollector Catalog
Roy Oswalt Memorabilia, Autographed Roy Oswalt Collectibles
2003 Sports Vault MLB Stickers checklist - Supercollector Catalog
Houston Astros Gallery
2006 Topps Update #265 Roy Oswalt AS - Houston Astros (All Star) (Baseball Cards) at 's Sports Collectibles Store