Author
- James of Viterbo1
- Jean Carteron1
- Jean de Meun1
- Joanna I of Naples1
- Johannes von Freiburg1
- John Gower1
- John Larry England1
- John XXII1
- John of Saxony1
- John of Wales1
- Joseph ben Judah ibn Aknin1
- Kingdom of France1
- Konrad von Brundelsheim1
- Lodovico della Torre1
- Luke the Evangelist1
- Marceiu Vinnen1
- Matteo dei Libri1
- Matthew of Vendôme1
- Maurice de Sully1
- Maximus of Turin1