Some of his other work dealt with chronology, especially the dating of events in the life of Jesus, and with astrology, especially criticism of dramatic predictions of catastrophe such as those of Helisaeus Roeslin.
Noget af hans andet arbejde omhandlede kronologi, specielt datering af begivenheder i Jesu liv, og astrologi, hvor han specielt var kritisk mod dramatiske forudsigelser af katastrofer som Helisaeus Roeslins.