Author
- Guido delle Colonne1
- Guillaume de Rennes1
- Gwenllian of Wales1
- Haimo of Auxerre1
- Heinrich IV. von Württemberg1
- Henry of Segusio1
- Herbert of Auxerre1
- Hippocrates1
- Horace1
- Hugh Bigod, 3rd Earl of Norfolk1
- Hugh Talemache1
- Hugh of Fouilloy1
- Hugh of Saint-Cher1
- Ibn Abi al-Isbaʻ1
- Ibn Khalawayh1
- Ibn Malik1
- Ibn al-Ajdābī1
- Ibn al-Khabbaz1
- Ibn al-Ḥājib1
- Innocent IV1