Incipit rationale diuino[rum] officio[rum] p[er] reuerendu[m] i[n] xp[ist]o patre[m] [et] d[omi]n[u]m Guilhelmu[m] dura[n]ti minate[n]sem ep[iscopu]m. pat[rum] po[n]tifical[is]. [et] speculi iuris autorem. ... - Durantis, Guilelmus, Mende, Bischof (Koburger)