Cal Ripken, Sr. Historical Marker
SHAW SPORTS TURF CELEBRATES WITH THE CAL RIPKEN, SR. FOUNDATION - Shaw Sports Turf
Cal Ripken, Jr. - 16W Marketing Talent
Catching Up with Cal Ripken Jr. as Foundation Honoring His Father Finishes 100th Youth Field
Cal Ripken, Sr. Foundation
Cal Ripken, Sr. Foundation
Cal Ripken Sr.'s legacy: $1 million ballpark proposed for Lancaster Boys & Girls Club, Local News
Cal Ripken Gold Glove Artwork — Sean Kane Baseball Art - Painted Gloves
All News Group1001
Market-to-Market Success for the Ripken Foundation - Maroon PR
Cal Ripken opens new baseball field at old Prince George's Co. police headquarters - WTOP News
Cal Ripken Jr. - Wikipedia
Mr. Nussbaum - Cal Ripken Jr. Biography