Héroes de Cartón: A Cuban Collection – SABR's Baseball Cards Research Committee
SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
SABR's Baseball Cards Research Committee
Organization and Storage – SABR's Baseball Cards Research Committee
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SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
SABR Century Project – Baseball Cards of 1921 – SABR's Baseball Cards Research Committee
SABR 50 at 50: Baseball Cards – Society for American Baseball Research
Cuba – SABR's Baseball Cards Research Committee
2013 panini Elite Extra baseball Prospects card Orlando Castro #84
SABR's Baseball Cards Research Committee
SABR 50 at 50: Baseball Cards – Society for American Baseball Research