Incipit no[ta]bilis questio De custodia li[n]gue [et] corde bene ruminanda. Ven[era]bilis m[a]g[ist]ri Ioha[n]nis Gerson. Sacre theologie doctoris p[rae]clarissimi [et] Cancellarij parisien[sis] | Collections | The Huntington