Title
- Letter to Hugh of Saint Victor1
- Letter to Master William1
- Letter to Paul1
- Letters of Alcuin1
- Letters of Augustine1
- Letters of Gregory the Great1
- Letters of Phalaris1
- Lewis Psalter1
- Lex Salica1
- Libellus Spiritualis Exercitii1
- Libellus beati misericordes1
- Libellus de officio militari1
- Libellus de oratione dominica1
- Libellus de recognitione proprie fragilitatis1
- Liber Rabani Anglici Horroscopo intitulatus1
- Liber aggregatus in medicinis simplicibus1
- Liber beati Ysidori episcopi1
- Liber bellorum domini1
- Liber de homine1
- Liber de secretis naturae1