https://www.stenoien.com/the-spicer-massacre/
http://theartfulhistorian.blogspot.com/2011/07/spicer-massacre-short-history.html
https://www.newspapers.com/article/24124836/spicer-massacre-bobtown-pa/
https://visitgreene.org/2023/05/haunted-in-greene/
https://greenescenemagazine.com/greenescene-of-the-past-crow-rock/
https://greenesaver.com/investigating-crow-rock/
https://freepages.rootsweb.com/~harringtonfamilies/history/CrowFamily.htm
https://freepages.rootsweb.com/~harringtonfamilies/history/Spicer.htm