Author
- Galuccio Trevisono Volpe1
- General council of Guelfs1
- Gervase of Tilbury1
- Giordano Ruffo1
- Giovanni da Bologna1
- Godfrey of Viterbo1
- Gratian1
- Gregory of Nicomedia1
- Guido delle Colonne1
- Guillaume de Rennes1
- Gwenllian of Wales1
- Haimo of Auxerre1
- Hakim al-Nishaburi1
- Heinrich IV. von Württemberg1
- Henry of Segusio1
- Herbert of Auxerre1
- Hippocrates1
- Horace1
- Hugh Bigod, 3rd Earl of Norfolk1
- Hugh Talemache1