- Laudatory poetry1
- Laudatory poetry, Latin1
- Law1
- Legal petitions1
- Legends1
- Lemos, Pedro Fernández Ruiz de Castro y Osorio, conde de, active 17th century1
- Macaronic poetry1
- Macaronic verse1
- Magic1
- Manuel I, King of Portugal, 1469-15211
- Manuscript maps1
- Manuscripts, Anglo-Norman1
- Manuscripts, Provençal1
- Manzoli, Marchione1
- Maps1
- Margarita, de Austria, Queen, consort of Philip III, King of Spain, 1584-16111
- Maria Anna Josefa, Queen, consort of John V, King of Portugal, 1683-17541
- Marriage (Canon law)1
- Marriage (Canon law)--Dispensations1
- Marshals1