Author
- Gregory de Chastellar1
- Gregory of Tours1
- Guido de Monte Rochen1
- Guido delle Colonne1
- Guido di Biagio di Carlo Piccolomini1
- Guillaume Adam1
- Guillaume Tardif1
- Guillaume de Lanicia1
- Guillelmus Gilaberti de Olivariis1
- Haymo of Faversham1
- Heinrich Reicher1
- Heinrich Stegmüller1
- Henry VI of England1
- Henry VIII of England1
- Holy Roman Empire1
- House of Borgia1
- House of Gondi1
- House of Ventimiglia1
- House of della Rovere1
- Hugh Ripelin of Strasburg1