Sources

https://www.doenetwork.org/cases/37uftn.html
https://unidentified-awareness.fandom.com/wiki/Cheryl
https://www.namus.gov/UnidentifiedPersons/Case#/8494/contacts
https://www.namus.gov/MissingPersons/Case#/14228
https://www.reddit.com/r/UnresolvedMysteries/comments/kfm1mv/in_march_1976_a_halfnaked_teenage_girl_was_found/
https://www.websleuths.com/forums/threads/tn-nashville-harpeth-river-sherry-nativefem-14-17-up8494-mar76.311194/
https://www.reddit.com/r/UnresolvedMysteries/comments/1185jgw/cheryl_1976/
https://www.newschannel5.com/news/after-47-years-detectives-arent-giving-up-on-identifying-the-harpeth-river-jane-doe