Author
- House of della Rovere1
- Humphrey Wellys1
- Ibrāhīm ibn Muḥammad ʻIṣām al-Asfarāyīnī1
- Imam Birgivi1
- Imbert Feutrier1
- Immanuel Tremellius1
- Ismāʻīl ibn Ibrāhīm İsfendiyaroǧlu1
- Jacobo Bellenden1
- Jalaluddin al-Mahalli1
- Jean Bénard1
- Jiménez de Enciso, Andrés1
- Joachim Bendel1
- Joanna of Austria, Princess of Portugal1
- Johannes Lemp1
- Johannes Mellarinus1
- John Montgomery1
- John de Beauchesne1
- John of Ibelin1
- Joseph ben Abraham Gikatilla1
- João Freire1