What does the Cubs' W flag mean and why do they fly it?
Bangert: His camera was witness to Cubs history
The history of the 'W' flag & how the Chicago Cubs came to use it
Chicago Cubs Receive First World Series Rings in Team's History
Bleacher Nation (@bleachernation) • Instagram photos and videos
Cubs 'W' Flag Has Long History Beyond Wrigley Field - CBS Chicago
The History of the Cubs W Flag
Flying the W Flag
As Cubs raise World Series flag, fans face reality: 'Not lovable
File:Cubs 10,000 Win flag from inside Wrigley (cropped).jpg