DeLong Gum Company, Boston, Massachusetts, Lou Gehrig, New York Yankees
1933 DeLong Cards Were A One-Year Wonder
Number 5 Type Collection: A Closer Look at Goudey's 1933 and 1934 Big League Gum Baseball
Sold at Auction: 1933 DeLong #7 Lou Gehrig.
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Lot Detail - 1933 DeLong #7 Lou Gehrig – PSA EX-MT 6
Auction Prices Realized Baseball Cards 1933 DeLong Lou Gehrig
1933 DeLong Baseball Checklist, Set Info, Key Cards
What are Lou Gehrig's most famous cards?, PWCC Marketplace - PWCC Definitive Guides
Hall of Fame - National Sporting Goods Association
DeLong – SABR's Baseball Cards Research Committee
1933 DeLong #7, Lou Gehrig PSA 4 VG-EX *BEAUTIFUL CARD *HOF *YANKEES
DeLong Gum Company, Boston, Massachusetts, Lou Gehrig, New York Yankees
DeLong – SABR's Baseball Cards Research Committee
1934 Butterfinger Premiums R310 #24 Lou Gehrig BGS 2 - TonyeTrade
1933 Goudey Baseball Checklist, Set Info, Key Cards, Buying Guide