Gregorian Reform
The reforms are encoded in two major documents: "Dictatus papae" and the bull "Libertas ecclesiae". The Gregorian reform depended in new ways and to a new degree on the collections of canon law that were being assembled, in order to buttress the papal position, during the same period. Part of the legacy of the Gregorian Reform was the new figure of the "papal legist", exemplified a century later by Pope Innocent III. There is no explicit mention of Gregory’s reforms against simony (the selling of church offices and sacred things) or nicolaism (which included ritual fornication) at his Lenten Councils of 1075 or 1076. Rather, the gravity of these reforms has to be inferred from his general correspondence. By contrast, Gregory's Register entry for the Roman Council of November 1078 extensively records Gregory’s legislation against 'abuses' such as simony as well as the first ‘full’ prohibition of lay investiture. This record has been interpreted as the essence of the Gregorian 'reform programme'.