"Watson, Ch. 14". Aboundinglove.org. Archived from the original on November 19, 2010. Retrieved November 28, 2010.
Watson, Charles as told to Ray Hoekstra. "Will You Die for Me?". aboundinglove.org. Archived from the original on April 5, 2007. Retrieved May 3, 2007.
"Watson, Ch. 14". Aboundinglove.org. Archived from the original on November 19, 2010. Retrieved November 28, 2010.
Watson, Charles as told to Ray Hoekstra. "Will You Die for Me?". aboundinglove.org. Archived from the original on April 5, 2007. Retrieved May 3, 2007.
"Watson, Ch. 19". Aboundinglove.org. Archived from the original on November 19, 2010. Retrieved November 28, 2010.
worldcat.org
worldcat.org
Bugliosi, Vincent with Gentry, Curt. Helter Skelter: The True Story of the Manson Murders 25th Anniversary Edition, W. W. Norton & Company, 1994. ISBN0-393-08700-X. OCLC15164618.