 At a more recent date we meet many treatises on the Roman chancery and on pontifical letters, but they are not formularies, though their text often contains many models.However, there has appeared an official publication of certain formulæ of the Roman Curia, i. e. the collection of formulæ for matrimonial dispensations granted by the "Dataria Apostolica", published in 1901 as "Formulæ Apostolicæ Datariæ pro matrimonialibus dispensationibus, jussu Emi.Card.