How The 'Star-Spangled Banner' Became A Pregame Mainstay
Chicago baseball: What's new, what's ahead for Cubs, White Sox
World Series: Cubs' have bad history of Fall Classic at Wrigley Field - Sports Illustrated
Old Time Baseball Game an all-time classic - The Boston Globe
1918 World Series - Wikipedia
A Game From Cubs History: August 8, 1988 - Bleed Cubbie Blue
Wacky Blue Jays/Red Sox Game Recalls Cubs/Phillies 26-23 Slugfest From August 25, 1922
Chicago cubs hi-res stock photography and images - Alamy
September 5, 1918: Babe Ruth tosses shutout in Game 1 as patriotism prevails in World Series opener – Society for American Baseball Research
Chicago Cubs History: Photos of Early Days at Wrigley Field