(from the article `commentarii`) ...Roman historians had begun consulting such memoirs in their research into earlier Roman history. Sulla and Cicero left their own memoirs as aids ... ...writing began with Cato`s Origines. After him there were as many historiasters, or worthless historians, as the poetasters disdained by Cicero. ... ... Found on http://www.britannica.com/eb/a-z/c/115