From the Pages of Vine Line: Let there be lights
History of the Chicago Cubs - Wikipedia
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From the Pages of Vine Line: Philip K. Wrigley's lasting impact on the Cubs and Wrigley Field
John Racanelli – SABR's Baseball Cards Research Committee
History of the Chicago Cubs - Wikipedia
At home with Andre Dawson: 1987, by MLB.com/blogs
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From the Pages of Vine Line: The Cubs' 'Committed' campaign, by MLB.com/ blogs
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History of the Chicago Cubs - Wikipedia