North Hollywood Shootout – an excellent website with the most comprehensive account of the case you will find. Lots of images and videos. And very detailed accounts.
1997 North Hollywood Shootout – LAPD police radio audio
1998 Medal of Valor Recipients – LAPD Online
Bank Robber Bled to Death, Autopsy Finds – Los Angeles Times
Chilling Portrait of Robber Emerges – Los Angeles Times