- Law, Medieval1
- Leases1
- Leather bindings1
- Legal documents1
- Legal maxims (Canon law)1
- Legal maxims (Roman law)1
- Legenda aurea (Jacobus, de Voragine)1
- Lello, Broccholio di1
- Lello, Tina di1
- Letters, Papal1
- Liber sextus decretalium (Catholic Church)1
- Liebfrauenkirche (Halberstadt, Germany)1
- Literature, Medieval1
- Liturgics--Texts1
- Logic, Medieval1
- Lollards1
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- Louis IX, King of France, 1214-12701
- Louis, Saint, Bishop of Toulouse, 1274-12971
- Ludwig IV, Holy Roman Emperor, 1282?-13471