- Italy--Venice1
- Jesuits1
- Jewish law1
- Jews1
- John I, King of Portugal, 1357-14332
- John II, King of Portugal, 1455-14951
- John IV, King of Portugal, 1604-16561
- John Manuel, Prince of Portugal, 1537-15541
- John V, King of Portugal, 1689-17501
- Juana, of Austria, Princess of Portugal, 1535-15731
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Land tenure1
- Law1
- Leases1
- Lopez Bulhão, Antonio, active 1510-15151
- Lyric poetry1
- Manuel I, King of Portugal, 1469-15211
- Manuscript maps1
- Manuscripts3
- Manuscripts, European2