About the Authors — Joe Kapp
Jim Brown, Bobby Hull and the sports figures we've lost in 2023
Former Cal, Vikings QB Joe Kapp dies at age 85
Joe Kapp, Former Cal and Minnesota Vikings QB, Dies at 85 – NBC Bay Area
Alzheimer's won't stop Joe Kapp from joining Super Bowl IV teammates
Former Vikings, CFL QB Joe Kapp dies at 85
Honoring former Vikings QB Joe Kapp's legacy after dying at age 85, Pro Football Talk
NFL 1959 To 1970 NFL Films The Story Of Vikings QB Joe Kapp With Steve Sabol
Minnesota Vikings - Wikipedia
Football Night In America Recapped Vikings Win Over Packers