Author
- John XXI1
- John of Ibelin1
- John Dokeianos1
- Joseph ben Ephraim Karo1
- Joseph ben Moses Sarfati1
- Joshua Benzion Segre1
- Juan de Torquemada1
- Jullien Gervais1
- Kingdom of Bohemia1
- Kingdom of England1
- Konrad III. von Soltau1
- Laurent d'Orleans1
- Laurentius Cynthius1
- Leonardo Loredan1
- Leonhard Freisleben1
- Levi, Yosef, 18th century1
- Lope de Vega1
- Lorenzo Giacomini1
- Lorenzo Gondi1
- Lorenzo Spirito Gualtieri1