1) Work by Eusebius of Caesarea 
In historiography, a chronicon is a type of chronicle or annals. Examples are: ...
(from the article `Marianus Scotus`) ...who wrote a universal history of the world from creation to 1082 that disputed the chronology of the Paschal calendar formulated by Dionysius ...(from the article `Regino Von Prüm`) Regino`s most famous work is his Chronicon in two books: the first, covering the period from Christ`s birth to the year 718, comprises excerpts from ...