Was Countess Elizabeth Bathory the World's Most Prolific Serial Killer?

Lots More Information

Amicus Curiae. " A Murderous Phenomenon: Female Serial Killers." March 15, 2011. (Feb. 25, 2022) https://sites.law.lsu.edu/amicus-curiae/2011/03/15/a-murderous-phenomenon-female-serial-killers/
BBC. "Elizabeth Bathory - The Blood Countess." Aug. 2, 2001. http://www.bbc.co.uk/dna/h2g2/A593084
Biography. "Elizabeth Bathory." May 21, 2020 (Feb. 25, 2022) https://www.biography.com/crime-figure/elizabeth-bathory
Brittanica. "Elizabeth Bathory." (Feb. 25, 2022) https://www.britannica.com/biography/Elizabeth-Bathory
History.com Hungarian countesses' torturous escapades are exposed." (Feb. 25, 2022) https://www.history.com/this-day-in-history/bathorys-torturous-escapades-are-exposed
Holmes, Ronald M. and Homes, Stephen T., eds. "Serial murder." Sage Publications. 1998. http://books.google.com/books?hl=en&lr=&id=0yfoJz6jHwkC&oi=fnd&pg=PA33&dq=elizabeth+bathory+.edu&ots=um0ccW4aGD&sig=KSyZCdFBFYNAxQ1MyZqBYPgVlwQ#PPA33,M1
NNDB. "Elizabeth Bathory." http://www.nndb.com/people/263/000112924/
Szádeczky-Kardoss, Irma. "The Bloody Countess? An Examination of the Life and Trial of Erzsébet Báthory." Notes on Hungarian History. Sept. 2, 2005 (Feb. 25, 2002) https://notesonhungary.wordpress.com/2014/05/31/the-bloody-countess/
Sheldon, Natasha. "The Real Countess Dracula: 12 Facts about the Life and Crimes of Elizabeth Bathory." Sept. 2, 2017 (Feb. 25, 2022) https://historycollection.com/real-countess-dracula-12-facts-life-crimes-elizabeth-bathory/4/