- Italy--Mantua1
- Italy--Mirabella Eclano1
- Italy--Reggio Emilia1
- Jesuits1
- Jesus Christ1
- Jews1
- Jews--Legal status, laws, etc.1
- 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
- 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 reports, digests, etc.1
- Law, Germanic1