The Only Way I Know by Cal Ripken, Jr., Mike Bryan: 9780140266269
Cal Ripken Jr Baseball HOF Stats Bat - Cooperstown Bat Company
Mr. Nussbaum - Cal Ripken Jr. Biography
Cal Ripken Jr. Biography - This Day In Baseball
Cal Ripken Jr. streak oral history
Cal Ripken Jr. Academy of Achievement
Cal Ripken Jr. Biography - Real Autograph Collectors Club (RACC)
Cal Ripken, Jr. Baseball Stats by Baseball Almanac
Cal Ripken, Jr. Baseball Stats by Baseball Almanac
Mr. Nussbaum - Cal Ripken Jr. Biography