- John Manuel, Prince of Portugal, 1537-15541
- John V, King of Portugal, 1689-17501
- Juana, of Austria, Princess of Portugal, 1535-15731
- Judges--Selection and appointment1
- Justice, Administration of1
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Land tenure1
- Land tenure (Germanic law)1
- Land use1
- Latin America1
- Law✖[remove]146
- Law reports, digests, etc.1
- Law, Germanic1
- Law, Medieval1
- Law--Interpretation and construction1
- Lawyers1
- Liturgics2
- Manners and customs2
- Manuel I, King of Portugal, 1469-15211
- Manuscript waste1