- Legal forms1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Leocadia, Saint, -3031
- Lepe Carvajal, Alonso de1
- Letter writing, Hebrew1
- Lippomano, Luigi, 1500-15591
- Liturgies1
- Lorraine, Nicolas-François, duc de, 1609-16701
- Lucayan Indians1
- Macaronic poetry1
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- Magic1
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- Margarita, de Austria, Queen, consort of Philip III, King of Spain, 1584-16111
- Marginalia1