Coba jelasin Abad ke-17 dari Daftar orang yang dieksekusi di Negara Gereja dong

Ferrante Pallavicino, satiris Italia (5 Maret 1644)

Giulia Tofana, senama dengan racun Aqua Tofana (Juli 1659)

Girolama Spera, putri dan pengikut dari Giulia Tofana (Juli 1659)

Para asisten dan klien pembuat racun Giulia Tofana (Juli 1659)

Megivern, James J. 2003. "Capital Punishment: The Curious History of its Privileged Place in Christendom". Proceedings of the American Philosophical Society.

Brugger, E. Christian. 2001. "To Kill or Not to Kill: The Catholic Church and the Problem of the Death Penalty ". Lecture in the Department of Religious Studies, Loyola University.

Anonymous,  Mastro Titta, il boia di Roma. Memorie di un carnefice scritte da lui stesso, Perini, 1891.