Joan Kroc The 5.5 Hole
San Diego Padres team ownership history – Society for American Baseball Research
How the McDonald's millions were made — and spent
Ray Kroc saved the Padres - The San Diego Union-Tribune
San Diego Padres Team History
Ray Kroc saved the Padres - The San Diego Union-Tribune
Will the San Diego Padres win a World Series with Manny Machado? - Quora
San Diego Padres Team History
Ray and Joan]
Eric Show – Alan E. Hunter
The Salvation Army Kroc Center 2012 Program Guide by The Salvation Army Ray & Joan Kroc Center - Issuu
Ray Kroc, Fast-Food Innovator, McDonald's Enterprise