Author
- Gregory of Nyssa1
- Guido de Monte Rochen1
- Guido delle Colonne1
- Guido di Biagio di Carlo Piccolomini1
- Guillaume Durand1
- Guillaume Tardif1
- Guillaume de Lanicia1
- Gulielmus Herlyacensis?1
- Henry VI of England1
- Hermes Trismegistus1
- House of Gondi1
- House of Requesens1
- Hugh Ripelin of Strasburg1
- Hugh of Fouilloy1
- Hélinand of Froidmont1
- Innocent III1
- Jabir ibn Hayyan1
- Jacobus de Cessolis1
- Jacobus de Voragine1
- Jacopo Nannis de Piccolomini1