Domed ballpark planned in Incheon - Coliseum
Report: Bears receive recommendations for dome atop Soldier Field from Chicago – NBC Sports Chicago
Inter Milan standalone stadium project plans - Coliseum
Chicago Bears' Soldier Field dome proposal by Mayor Lightfoot
Lightfoot Makes Pitch to Keep Bears in Chicago With Soldier Field Dome, Chicago News
Chicago Bears' Soldier Field dome proposal by Mayor Lightfoot
Downtown Archives - Block Club Chicago
Senate Session, October 8, 2009
Bears: Is Mayor Lightfoot's Soldier Field Roof Possible? - On Tap Sports Net