Wikipedia: Adolph Laudenberg

LAPD Online: Cold Case Killer Arrested after DNA Hit Made

The Sun: Who was Adolph Laudenberg

SFGATE: How alleged serial killer fell into trap 

NBC News: The Santa Strangler

Reddit: In 1975, Adolph Laudenberg confided to his daughter

Case Text: People v. Laudenberg, No. B199633

Los Angeles Times: DNA at center of trial in '72 slaying

NewsPapers.com: Adolph Laudenberg - Los Angeles Times Archive

Los Angeles Times: Man, 80, convicted in '72 murder

Press Telegram: Killer loses coffee cup appeal