The 1913 Baltimore Orioles Photo: Babe Ruth's First Professional Baseball Game - Ghosts of Baltimore

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1914 Baltimore News Orioles Babe Ruth

Babe Ruth Archives - Ghosts of Baltimore

Baseball Diamonds Aren't Forever: Bygone Ballparks of New York - The New York Times

History of the Cleveland Guardians - Wikipedia

I always hear Babe Ruth stopped pitching regularly so he could play every day. But why didn't the Yankees just play him at 1st base or something on days he wasn't pitching?

Baseball Diamonds Aren't Forever: Bygone Ballparks of New York - The New York Times

Baltimore - Wikipedia

Babe Ruth book excerpt: Christy Walsh, celebrity athletes - Sports Illustrated

Ruth and Gehrig- Sports Card and Sports Memorabilia Auctions

Babe Ruth's Autobiography, as Written in 1920, by John Thorn