Sun Tzu have been available to Sun Wu. Additionally, there are no records of professional generals during the Spring and Autumn period; these are only extant from the Warring States period, so there is doubt as to Sun Tzu's rank and generalship. This caused much confusion as to when "The Art of War" was actually written. The first traditional view is that it was written in 512 BC by the historical Sun Wu, active in the last years of the Spring and Autumn period (c. 722–481 BC). A second view, held by scholars such as Samuel Griffith, places "The Art of War"
Development of the New Testament canon attributed to the "Decretum Gelasianum" gives a list identical to what would be the Canon of Trent, and, though the text may in fact not be Damasian, it is at least a valuable 6th century compilation. This list, given below, was purportedly endorsed by Pope Damasus I: The so-called "Decretum Gelasianum de libris recipiendis et non recipiendis", is traditionally attributed to Pope Gelasius I, bishop of Rome 492–496 AD. However, upon the whole it is probably of South Gallic origin (6th century), but several parts can be traced back to Pope Damasus and reflect Roman tradition. The 2nd part is