Author
- Gregory of Nyssa1
- Guido de Monte Rochen1
- Guillaume de Rennes1
- Gulielmus Herlyacensis?1
- Henri Bohic1
- Hugh of Fouilloy1
- Hugh of Saint Victor1
- Innocent III1
- Jacobus de Voragine1
- Jacques de Vitry1
- Jean Germain1
- Jean de Lignieres1
- Johannes Milis1
- John Cassian1
- John XXII1
- John de Breton1
- John de Seccheville1
- John of Seville ?1
- Jordan von Quedlinburg1
- Justinian I1