^David W. Kean, Wide Places in the California Roads: The encyclopedia of California's small towns and the roads that lead to them (Volume 1 of 4: Southern California Counties), p. 41.
^Produced in association with: Discovery Channel (Canada), Canal D (Canada) and National Geographic Channel (US & International) (10 February 2012). "I'm The Problem". Mayday (TV series). Season 11. Episode 10. 40–55 minutes in.