Author
- Haimo of Auxerre1
- Henry VI of England1
- Henry VIII of England1
- Holy Roman Empire1
- Horace1
- Hugh Bigod, 3rd Earl of Norfolk1
- Hugh of Saint Victor1
- Hugo Trottus1
- Iachetus Italianus1
- Innocent III1
- Innocent IV1
- Isidore of Seville1
- Jacobus de Cessolis1
- Jacobus de Voragine1
- James of Milan1
- Jean de Bernuy1
- Jean de Roquetaillade1
- Joachim Bendel1
- Johannes Auerbach1
- Johannes Lemp1