History of trades between Cubs and White Sox

Flashback: Chicago White Sox- Chicago Cubs Crosstown Play - South Side Sox

Trade Retrospective: Rangers acquire Ryan Dempster and Geovany Soto from the Cubs - Beyond the Box Score

Chicago Cubs team ownership history, 1876-1919 – Society for American Baseball Research

Santo Stays in Chicago, Cubs Trade Him to White Sox - The New York Times

Zalusky: A history of the Cubs-Sox trade wars as the deadline approaches

Cubs trade Craig Kimbrel to White Sox - Bleed Cubbie Blue

Chicago Cubs 10, Chicago White Sox 7: Crosstown crying, and that was before Lucas Giolito was traded - South Side Sox

Ask Geoffrey: Did MLB Stop Cubs-White Sox City Series?, Chicago News

Chicago White Sox - Wikipedia

How the Cubs and White Sox Got Together on a Major Trade - Bleacher Nation

MLB All-Star Game: 3 Chicago Cubs, 1 White Sox player picked

Cubs come back from five-run defict to topple White Sox, complete 2-game sweep - Chicago Sun-Times