Author
- John Harington1
- John Herd1
- John Larry England1
- John Montgomery1
- John Sergeant1
- John Shirley1
- John Tiptoft, 1st Earl of Worcester1
- John Versor1
- John XXI1
- John Zonaras1
- John de Beauchesne1
- John de Breton1
- John de Seccheville1
- John of Damascus1
- John of Howden1
- John of Saxony1
- John of Seville ?1
- John Dokeianos1
- Jonathan Eybeschutz1
- Joseph Albaradani1