 Helinand incorporated several of his treatises and letters into his "Chronicon".These include moral treatises such as "De cognitione sui", and "De bono regimine principis", twenty-eight sermons on various Church festivals; one epistle entitled "De reparatione lapsi", in which he exhorts a renegade monk to return to his monastery.The "Chronicon" itself is largely a compilation of texts taken from a wide range of sources.