- Leather bindings1
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- Legal instruments1
- Legenda aurea (Jacobus, de Voragine)1
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Literature, Medieval1
- Little office of the Blessed Virgin Mary (Catholic Church)1
- Logic1
- Louis IX, King of France, 1214-12701
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- Manuscript maps1
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- Manuscripts, English1
- Manuscripts, Greek1
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- Massachusetts--Wellesley1
- Metaphysics (Aristotle)1