Infamous Serial Killer: Son of Sam
- A biography of David Berkowitz and an excerpt of one of his letters to the Police.
- http://faculty.ncwc.edu/toconnor/428/case01.htm

Forgiven for Life
- Official site of David Berkowitz, providing Christian testimonies, daily journal, and online video. Also provides letters and open letters, discussion of the purpose of the site, and links to devotionals.
- http://www.forgivenforlife.com/

The Smoking Gun: David Berkowitz
- Complete text of the New York State parole board decision, and the letter Berkowitz wrote to New York Governor George Pataki about the same issue.
- http://www.thesmokinggun.com/archive/sonofparole1.html

Son of Sam - David Berkowitz
- A very detailed biography, information about 'Operation Omega' and a photograph of Berkowitz.
- http://www.spartechsoftware.com/dimensions/crime/SonOfSam.htm

Salon.com: David Berkowitz kvetches about Spike Lee's "Summer of Sam"
- Berkowitz's reactions to a film made about him.
- http://www.salonmag.com/ent/log/1999/06/21/berkowitz/

CrimeLibrary: David Berkowitz, the Son of Sam
- Photographs and information about his victims, and the story of his capture.
- http://www.crimelibrary.com/serial/son/sonmain.htm