How Wisconsin's Cheesehead hat turned an insult into an icon - CNET
Packers acquire 'Foamation,' makers of original Cheesehead®
Green Bay Packers acquires Foamation, maker of PU foam Cheesehead
Made in Milwaukee: Foamation
Packers acquire Milwaukee's Cheesehead manufacturer - WTMJ
Green Bay Packers acquire cheesehead hat-maker Foamation
Green Bay Packers acquire cheesehead maker Foamation - Milwaukee