https://web.archive.org/web/20110804000804/http://www.charleyproject.org/cases/a/arnold_dorothy.html
www.allthatsinteresting.com/dorothy-arnold
https://heathermonroe.medium.com/the-peculiar-disappearance-of-dorothy-arnold-e5f8fef3c52c
www.americanheritage.com/girl-who-never-came-back
www.stuffnobodycaresabout.com/2020/12/12/dorothy-arnold
https://en.wikipedia.org/wiki/Disappearance_of_Dorothy_Arnold