Bud Grant, Longtime Minnesota Vikings Coach, Dies at 95 - The New York Times
Minnesota Vikings - Wikipedia
1969 Vikings: Scratching the Surface
Today in Pro Football History: 1969: Kapp Brings Vikings From Behind to Beat Rams in Western Playoff
1969 NFL playoffs: Los Angeles Rams vs Minnesota Vikings (rare videotape highlights)
Research: Vikings, Rams, Cowboys Part II: 1970-75
100 Things Vikings Fans Should Know and Do Before They Die (100 ThingsFans Should Know): Craig, Mark, McDaniel, Randall: 9781629371955: : Books
Purple Glory-History of the Minnesota Vikings by Steve Fulton - Ebook
Vikings Mourn Passing of Legendary Quarterback Joe Kapp
23 things to know about the Minnesota Vikings
This date in sports history: Jan. 4
Don Banks: A historical look at ties in the NFL - Sports Illustrated
1969 Super Bowl Squad Shares Laughs & Lamentations