Author
- Johannes Paulus1
- Johannes Tostius1
- Johannes von Kastl1
- Johannes von Werdea1
- John Chrysostom1
- John Cleseby1
- John Cornelius1
- John Eyr1
- John Gage1
- John de Beauchesne1
- John of Glastonbury1
- Josephus1
- João Freire1
- João Gomes da Silva1
- Juan Gallo1
- Juan Valenzuela Velázquez1
- Juan de Mena1
- Juan de Torquemada1
- Juana I of Castile1
- Julius III1