1. Diane Keaton died of pneumonia, family reveals  The Guardian
2. Diane Keaton’s Family Shares Her Cause of Death, Thanks Fans for Their ‘Love and Support’ (Exclusive)  People.com
3. Diane Keaton, a Star of ‘Annie Hall’ and ‘First Wives Club,’ Dies at 79  The New York Times
4. Diane Keaton, Oscar-winning actress, has died at 79  CNN
5. Diane Keaton’s Shadows and Light  The New Yorker

Source: Google Finance – Market News