Sources: Populous could potentially design 3 new NFL stadiums - VenuesNow
Chicago Bears installing new turf at Soldier Field ahead of season opener against 49ers
The 12 Oldest NFL Stadiums Have Endless History - FanBuzz
Soldier Field, Chicago, History, Map, & Facts
Bears: The Athletic ranks Soldier Field as 7th best stadium in NFL
Cost to Bears for breaking Soldier Field lease? Peanuts compared to price tag for a new stadium in suburbs. : r/CHIBears
What Would Happen to Soldier Field if the Chicago Bears Left? – NBC Chicago
Soldier Field - Wikipedia
Soldier Field, Chicago Bears football stadium - Stadiums of Pro Football