A pair of photoessays from Time magazine: Martin Luther King in His Own Words and The Last Days of Martin Luther King.
Biography of Martin Luther King from Time magazine's list of the world's 100 most influential people.
Martin Luther King's acceptance speech for the 1964 Nobel Peace Prize. (His Nobel lecture is also available.)
In 1998, six newspapers profiled the streets named after Martin Luther King in their respective cities. Along Martin Luther King is a collection of essays and photographs documenting life along the nearly 500 streets named for MLK. In 2003, Rob Walker took some photos along MLK Blvd in New Orleans).
3quarksdaily has the full-text of Martin Luther King's "I Have a Dream" speech given on August 28, 1963 at the Lincoln Memorial in Wash. DC. Audio of the speech available here. (Also, King's I've Been to the Mountaintop and declaration against the Vietnam War.)
