$500 million Wrigley Field renovation headed for court?
Some rooftop owners sue over Wrigley Field renovation project - ABC7 Chicago
Major League baseball: City officials approve Wrigley upgrade, Other Sports
Wrigley Field renovations - Wikipedia
Pros and Cons of Chicago Cubs' Controversial $500 Million Stadium Facelift, News, Scores, Highlights, Stats, and Rumors
Battle between Cubs, rooftops heating up – The Durango Herald
$500M Wrigley Field renovation headed for court?
Chicago Cubs owner Tom Ricketts opts to return to original Wrigley Field renovation plan - ESPN
The Rooftops And The Cubs: A History - Bleed Cubbie Blue