- Ibn al-Mibrad, Yūsuf ibn Ḥasan, 1436 or 1437-15031
- Illumination of books and manuscripts, Turkish1
- International relations1
- Iran1
- Islam--Customs and practices1
- Islam--Doctrines1
- Islamic Empire1
- Islamic astrology1
- Islamic ethics1
- Islamic law1
- Islamic sermons, Arabic1
- Jesuits1
- Jewish diaspora1
- 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
- Kansas--Lawrence1
- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Law1