Author
- Roman Catholic Archdiocese of Reims1
- Saadia Gaon1
- Sancho IV of León and Castile1
- Sayf al-Din al-Amidi1
- Saʻīd ibn Hibat Allāh ibn al-Ḥusayn1
- Sharif Radhi1
- Shaykh ʻAbd Allāh1
- Shelomoh ben Eliyah ha-Melamed1
- Shihab al-Din al-Qarafi1
- Siena1
- Stephen Langton1
- Tha'ālibī1
- Theobaldus Episcopus1
- Titus Livius1
- Tsevi ben Lavi1
- Veruela Abbey1
- Wace1
- Walerand ap Adam1
- Walter of Châtillon1
- William Perault1