Cal Ripken, Jr., Biography, Biography, Streak, & Facts
Cal Ripken Jr. Academy of Achievement
Cal Ripken Jr. Academy of Achievement
Cal Ripken Sr. – Society for American Baseball Research
The Streak by John Eisenberg - Ebook
Cal Ripken Jr. Breaks Lou Gehrig's Consecutive Games Played Streak!
Cal Ripken Jr. - Accountability - Character and Leadership
Life's Work: An Interview with Cal Ripken Jr.
Cal Ripken Jr. Academy of Achievement
Cal Ripken, Jr. Awards by Baseball Almanac
Cal Ripken Jr. - Wikipedia
Cal Ripken Jr. Academy of Achievement