Giovanni da Pian del Carpine
Many sources provide conjectures about the actual laws of the Yassa. The Yassa was so influential that other cultures appropriated and adapted portions of it or reworked it for ends of negative propaganda. (For instance, the number of offenses for which the death penalty was given was well-known by contemporaries.) However, Harold Lamb's "Genghis Khan: The Emperor of All Men" quotes a translation by François Pétis de la Croix. Although unable to come upon a complete list of the laws, he compiled several from Persian and Arabic chroniclers, such as Fras Rubruquis, and Giovanni da Pian del Carpine. Those laws are listed here: