Author
- Heinrich von Friemar1
- Henry Suso1
- Honorat Bovet1
- House of Gondi1
- House of Requesens1
- House of Ventimiglia1
- Ibrāhīm al-Ḥusaynī1
- Isaac Israeli ben Joseph1
- Jacobus Balbi1
- Jacobus de Voragine1
- Jacopo Nannis de Piccolomini1
- Jacopo Piccolomini-Ammannati1
- Jacopo Ragone1
- Jacques Millet1
- Joannes Thomas Beltamino1
- Joham de Vernoils1
- Johannes Lichtenberger1
- Johannes de Sacrobosco1
- Johannes von Kastl1
- John Burgh1