Author
- Henry Howard, 1st Earl of Northampton2
- Henry VIII of England2
- Henry of Langenstein2
- Henry of Segusio2
- Hernando Hernández de Valderrueda2
- Hippocrates2
- Hocazade Esad Efendi2
- Holy Roman Empire2
- House of Gondi2
- House of Requesens2
- Hugh Broughton2
- Hugh of Balma2
- Hārīta2
- Hāshim ibn Muḥammad Maghribī2
- Ibn 'Ata Allah2
- Ibn Asakir2
- Ibn Battal2
- Ibn Jazla2
- Ibn Kathir2
- Ibn Khaldun2