- Jesuits2
- Jesus Christ5
- Jewish astronomy1
- Jewish illumination of books and manuscripts1
- Jewish law3
- Jews2
- Jews--Legal status, laws, etc.1
- Jews--Persecutions1
- Jiménez de Enciso family1
- Jiménez de Enciso, Andrés1
- Jiménez de Enciso, Diego1
- Jiménez de Enciso, Pedro1
- John the Baptist's Day1
- John, Duke of Burgundy, 1371-14191
- Juana, la Loca, Queen of Castile, 1479-15551
- Juana, of Austria, Princess of Portugal, 1535-15731
- Judaism1
- Judaism--Customs and practices1
- Judges--Selection and appointment1
- Judgment Day1