Serial Killer: Vera Renczi
The black Widow Killer

Cawthorne, N. (2018). Killer Women: Chilling, Dark and Gripping True Crime Stories of Women Who Kill. Quercus.

Center of Disease Control. (n.d.). Arsenic Poisoning: Causes, Symptoms & Treatment. Cleveland Clinic. Retrieved June 20, 2024, from https://my.clevelandclinic.org/health/diseases/24727-arsenic-poisoning

Center of Disease Control. (n.d.). CDC Strychnine | Facts about Strychnine | Public Health Emergency Preparedness& Response. CDC Emergency Preparedness. Retrieved June 20, 2024, from https://emergency.cdc.gov/agent/strychnine/basics/facts.asp

Geringer. (2007). The Innovators. Crime Library. http://www.crimelibrary.com/criminal_mind/psychology/widows/5.html

Grey, O. (2021, August 30). Vera Renczi Was an Infamous Black Widow—Who May Never Have Existed. The Lineup. Retrieved June 19, 2024, from https://the-line-up.com/vera-renczi

Nicolea, A. (2008, November 10). Vaduva Neagra sau Castelana din Berkerekul. Descopera.ro. Retrieved June 20, 2024, from https://www.descopera.ro/cultura/3470508-vaduva-neagra-sau-castelana-din-berkerekul

Small, L. (2022, December 18). The Tale of Vera Renczi, Who Killed 34 Men Who Became Her Lovers. L. Small. Retrieved June 19, 2024, from https://377.medium.com/the-tale-of-vera-renczi-who-killed-34-men-who-became-her-lovers-85baa13bca3

Stănilă, I. (2016, June 1). Sfârşitul cumplit al celei mai sadice criminale. Văduva Neagră, femeia misterioasă care a ucis 35 de bărbaţi. Adevarul. Retrieved June 19, 2024, from https://adevarul.ro/stiri-locale/calarasi/sfarsitul-cumplit-al-celei-mai-sadice-criminale-1708343.html