https://myimaginarybrooklyn.tumblr.com/post/60447701311/broken-by-the-wheel-the-diary-of-an-executioner
http://www.executedtoday.com/tag/franz-schmidt/
http://failuremag.com/article/the-faithful-executioner
https://en.wikipedia.org/wiki/Franz_Schmidt_(executioner)
https://www.livescience.com/medieval-executioner-life.html
https://www.wearethemighty.com/mighty-history/took-be-executioner-medieval-times/
https://slate.com/news-and-politics/2013/05/executioners-in-medieval-europe-history-of-capital-punishment.html
https://www.amazon.com/Hangmans-Diary-Journal-Executioner-Nuremberg/dp/1629144800?asin=B00R3LDVZA&revisionId=e62a0e1d&format=1&depth=1