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The '51 Roberto Avila Bowman Card – SABR's Baseball Cards Research Committee
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C.A.: 1975 Topps Reggie Jackson
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Hank O'Day - Wikipedia
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The Ten Best Topps Baseball Cards of the 1970s – Jason Cards
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Nichibei Yakyu: US Tours of Japan Volume 1, 1907 - 1958 (Nichibei Yakyu: Us Baseball Tours of Japan): Fitts, Robert K., Nagata, Yoichi, Pearce, Ralph M., Berenbak, Adam, Williams, Kat D., Newman
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Calavera Baseball Cards: Fusing Ethnicity with the National Pastime
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Happy 59th! Or is it 58th? Cracking the mystery of Don Mattingly's birthday - ESPN
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Baseball's Analytics Society Sees a Problem: Avg. Age, Members - The New York Times
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SABR's Baseball Cards Research Committee
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1955 Bowman Baseball Cards: Most Valuable (Top Picks)
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Happy 50th Birthday, SABR. My foreword to its great new anthology, by John Thorn
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Issei Baseball: The Story of the First Japanese American Ballplayers: 9781496213488: Fitts, Robert K.: Books
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Card Corner Plus, 1972 Topps: Johnny Ellis and Someone Else