National Women's Hall of Fame
National Women's Hall of Fame: Sandra Day O'connor
The National Women's Hall of Fame provides a brief biographical sketch of the first woman to serve as a U.S. Supreme Court Justice.
Encyclopedia Britannica
Encyclopedia Britannica: 300 Women Who Changed History: Sandra Day O'connor
Encyclopaedia Britannica provides a brief biography of Sandra Day O'Connor, the first woman to sit on the U.S. Supreme Court.