Spee, F. v., & Hellyer, M. (2003). Cautio criminalis, or, A book on witch trials. University of Virginia Press.

Spee, Friedrich von, and Marcus Hellyer. Cautio Criminalis, or, A Book on Witch Trials. Charlottesville: University of Virginia Press, 2003.

Spee, Friedrich von, and Marcus Hellyer. Cautio Criminalis, or, A Book on Witch Trials. University of Virginia Press, 2003.