1925 Exhibits Henry L. Gehrig
1927-28 Babe Ruth & Lou Gehrig Dual-Signed Barnstorming, Lot #80058
1948 Swell Bubble Gum Sports Thrills (R448) Most Dramatic H.R. (L.Gehrig/B. Ruth)
Autographed Babe Ruth ball rekindles memories of 1927 tour, stop in Johnstown, Pennsylvania
Heritage Auctions, Sports Collectibles Auction 7041, Dallas Texas, PDF, Detroit Tigers
Babe Ruth's 1921 Home Run Bat, Michael Jordan's Birmingham Barons Cleats Round Home During $3.5-Million Night at Heritage Auctions' Spring Sports Sale by AuctionDaily
Babe Ruth & baseball history
Gehrig Memorabilia, 1924 Ruth Bat Headline Heritage Auction
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Yankees Fan Selling Gehrig Items to Pay His Red Sox-Loving Grandkids' College Costs - The New York Times
Babe Ruth book excerpt: Christy Walsh, celebrity athletes - Sports Illustrated
Items Signed By Babe Ruth And Lou Gehrig Could Bring Record Prices At Leland's 2023 Spring Auction