For Joe Gibbs, there's one Redskins question he'll take to his grave - The Washington Post
The Curly R: A Washington Redskins Blog: Jack Kent Cooke's 19-year Old Daughter Suing Dead Father
The Polls agree: the Redskins have “lost” DC - Hogs Haven
Washington Football Team: A history of the franchise's owners
Washington Football Team: A history of the franchise's owners
Is there a reason why Jack Kent Cooke could not sell his Redskins team to his son, John Cooke, after Jack died? - Quora
John Kent Cooke didn't get his father's Redskins. He got something better. - The Washington Post
Jack Kent Cooke - Legends Profile For The Prince
Trademark decision puts economic, political pressure on Redskins - The Washington Post