The following sources were consulted in the preparation of the article “11 mysterious disappearance cases that are still unexplained.”
- Looking for Asha
- Jason Jolkowski
- Michael Dunahee disappeared from Victoria playground 24 years ago
- Brian Shaffer Walked Into a Bar 20 Years Ago and Was Never Seen Again. Revisiting His Bizarre Disappearance
- Brandon Victor Swanson
- Amy Lynn Bradley
- Missing: Leah Roberts
- Search Continues for Nicole
- Missing student’s family still holding out hope
- Trenny Gibson Case Incident Report