Author
- Jacques Legrand3
- James of Milan3
- Jayadeva3
- Jean Gerson3
- Jean de Meun3
- Jewish Community of Carpentras, France3
- John Cassian3
- John Halgren of Abbeville3
- John of Wales3
- Kamal al-Din ibn al-Humam3
- Koca Ragıp Pasha3
- Kınalızâde Hasan Çelebi3
- Laugākṣi Bhāskara3
- Leo Archpriest3
- Leo I3
- Leo X3
- Lucian of Samosata3
- Malik ibn Anas3
- Masawaiyh3
- Masʿūd Ibn-Aḥmad Kāsānī3