Author
- Iacopo da Benevento1
- Igreja e Convento de Santa Maria de Aguiar1
- Ildibrandinus1
- Isaac ben Joseph of Corbeil1
- Isaiah di Trani1
- Jacobus de Teramo1
- Jacobus de Voragine1
- Jacopo Piccolomini-Ammannati1
- Jacques Lempereur1
- Jaghmini1
- Jean Carteron1
- Jerome1
- Johanna Hawkeslowe (Sr.)1
- Johannes Auerbach1
- Johannes Paulus1
- Johannes von Kastl1
- Johannes von Werdea1
- John Cleseby1
- John Mandeville1
- John of Lancaster, 1st Duke of Bedford1