File:Vatican City, Bibliotheca Apostolica Vaticana, Reg. lat. 213, folio 1r.jpg

Summary
Vatican City, Bibliotheca Apostolica Vaticana, Reg. lat. 213, folio 1r.

Start of the Libellus de mundi duratione of Quintus Julius Hilarianus.

Source: https://www.wiglaf.org/vatican/2021/thumbnails/Reg.lat.213.jpg