Changes to Wrigley Field renovation plan approved

A History Of Wrigley Field Changes - Bleed Cubbie Blue

MLB: Wrigley renovation plans proceed despite threat of lawsuits

Wrigley Field upgrades one step away from realization – The Denver Post

Wrigley Field - Wikipedia

Chicago Cubs threaten to leave Wrigley Field, MLB

Chicago Cubs: How the Wrigley Field experience has changed in my life

Judge denies rooftop owners motion to stop Wrigley Field construction - Sports Illustrated

Cubs Unveil Wrigley Field Plans, Hinting at Picking Up Tab - The New York Times

Wrigley Field gets another makeover: Cubs unveil 3 new clubs, expanded grandstands, bleacher extension and more - Ballparks of Baseball - Your Guide to Major League Baseball Stadiums

Wrigley Field addition gets OK from landmark officials

Wrigley Field, Map, History, & Facts

Bricks, ivy, Jumbotron: Wrigley gets $500M upgrade