Author
- Hubert de Burgh, 1st Earl of Kent3
- Innocent IV3
- Isidore of Seville3
- Muḥammad ibn Ismaeel al-Bukhārī3
- Peter Cantor3
- Abdollah ibn Bukhtishu2
- Al-Humaydī2
- Albertus Magnus2
- Alfonso X of Castile and Leon2
- Aḥmad Ibn-Fāris2
- Bernard of Botone2
- Bernard of Clairvaux2
- Eastern Orthodox Church2
- Gerard of Cremona2
- Hugh of Saint Victor2
- Ibn Malik2
- Ibn al-Khabbaz2
- Ibn al-Ḥājib2
- Johannes de Sacrobosco2
- Leo Archpriest2