- Indians of Mexico--Social life and customs1
- Indians of South America1
- Indians of South America--Legal status, laws, etc.1
- Isabella I, Queen of Spain, 1451-15041
- Italy--Florence1
- Italy--Naples1
- Jiménez de Enciso family1
- Jiménez de Enciso, Andrés1
- Jiménez de Enciso, Diego1
- Jiménez de Enciso, Pedro1
- Juana, la Loca, Queen of Castile, 1479-15551
- Juana, of Austria, Princess of Portugal, 1535-1573--Correspondence1
- Judaism1
- Judges--Selection and appointment1
- Land titles--Registration and transfer1
- Landowners1
- Law--Interpretation and construction1
- Leather bindings1
- Legacies1
- Legaspi, Margarita de1