- Italy--Rovigo1
- Italy--Vercelli (Province)1
- Italy--Vicenza1
- Jaina illumination of books and manuscripts1
- Jaina painting1
- Jainism1
- James, the Greater, Saint1
- Jamʻ al-jawāmiʻ fī al-uṣūl (Subkī, Tāj al-Dīn ʻAbd al-Wahhāb ibn ʻAlī)1
- Japanese poetry1
- Javanese language1
- Jerónima de la Asunción, madre, 1555-16301
- Jesuit drama, Spanish1
- Jewish ethics1
- Jewish illumination of books and manuscripts1
- Jews--Dietary laws1
- Jews--Education1
- Jews--Legal status, laws, etc.1
- Jiménez de Cisneros, Francisco, 1436?-15171
- John II, King of Aragon, 1397-14791
- John IV, King of Portugal, 1604-16561