to death for incest, fornication and witchcraft during the reign of Báthory's successor, Gabriel Bethlen in early 1614. The legal cases were heard at specific judicial sessions. The Diets sometimes entered into direct correspondence with foreign powers, but the letters evidence that the support of the monarchs' specific diplomatic acts was the delegates' principal purpose. Correspondence between the Diet and pretenders or other internal opponents of the monarch is also documented, especially in the second half of the 17th century. Notes References Sources Primary sources Stephen Werbőczy: The Customary Law of the Renowned Kingdom of Hungary in Three Parts (1517) (Edited and translated by János M. Bak, Péter Banyó and Martyn Rady with an introductory study by László Péter) (2005). Charles Schlacks, Jr. Publishers. . Secondary sources Principality of Transylvania (1570–1711) Defunct unicameral legislatures