Cubs vs. White Sox: Fan Support by Neighborhood

September 9, 1931: Al Capone turns out for Cubs-White Sox charity exhibition in Chicago – Society for American Baseball Research

Are there more Cubs or White Sox fans in Chicago? - Quora

Chicago White Sox on the Forbes MLB Team Valuations List

Chicago White Sox Find Major League Baseball Games, Events & Field Info

White Sox boost ticket sales among Latino fans

Christopher Morel hits game-ending homer as Chicago Cubs rally past White Sox 4-3

Chicago Cubs: State of the franchise as told by a White Sox fan

New York Times maps the support for Brewers, Cubs by ZIP code, Writers

White Sox fanbase includes 'M&M's Jacket Guy' at home games

Are there more Cubs or White Sox fans in Chicago? - Quora

You're not allowed to root for both the Cubs and the White Sox — but why?

Photos: When the Chicago White Sox called Milwaukee home

Century after World Series battle, Cubs, Red Sox resume rivalry