First mention of a building project for the cemetery (1260)

First mention of the project to build a cemetery for the Cathedral in the oath of office of Guido Spadaio, the new head of the Opera del Duomo. The promise to build a new cemetery is repeated by Guido’s successors Rinaldo Speziale (1260-70), Ranieri Vallecchia (1270-71) and Orlando Sardella (1271-82).