Author
- Gratian1
- Gregorio Dati1
- Gregory of Nazianzus1
- Guido delle Colonne1
- Guillaume d'Estouteville1
- Guyart des Moulins1
- Haimo of Auxerre1
- Henry VI of England1
- Honorat Bovet1
- Hugh Bigod, 3rd Earl of Norfolk1
- Hugh of Saint Victor1
- Iachetus Italianus1
- Igreja e Convento de Santa Maria de Aguiar1
- Innocent III1
- Innocent IV1
- Isaac ben Joseph of Corbeil1
- Isaiah di Trani1
- Isidore of Seville1
- Jacobus de Voragine1
- James of Milan1