Wrigley Field Policies and Procedures
New York Yankees - Wikipedia
Ballpark Preview: Impact Field, Chicago Dogs
Ballpark Preview: Impact Field, Chicago Dogs
NFL Stadiums, Listed Oldest to Newest - Football Stadium Digest
Trevor Minoring In Baseball
Visit Dow Diamond Home of the Great Lakes Loons
Houston Astros, The Baseball Codes
Only one end zone to be used at Wrigley game - Los Angeles Times
Only one end zone to be used at Wrigley game - Los Angeles Times
Memories of Tiger Stadium
America's Classic Ballparks by James Buckley, Quarto At A Glance
John Racanelli – SABR's Baseball Cards Research Committee