Author
- Haymo of Faversham1
- Hugh of Balma1
- Hugh of Saint Victor1
- Iacopo Bracciolini1
- Isidore of Seville1
- Jacobus de Voragine1
- Jewish Community of Pitigliano, Italy1
- John Dominici1
- John XXI1
- John de Breton1
- John de Seccheville1
- Lactantius1
- Lapo da Castiglionchio1
- Leon Battista Alberti1
- Leon Tonsi1
- Leonardo Loredan1
- Lorenzino de' Medici1
- Lorenzo Gondi1
- Lorenzo Spirito Gualtieri1
- Luca Pacioli1