Author
- Shem Tov ben Abraham ibn Gaon1
- Sidrac1
- Simon de Lenis1
- Simone Cordo1
- Stephanus Hugoneti1
- Taddeo Alderotti1
- Tengoccio d'Enea de Piccolomini1
- Thiebaus de Maliers1
- Thomas Brooke1
- Thomas Malyus1
- Thomas of Celano1
- Thomas of Chobham1
- Thomas of Ireland1
- Usuard1
- Vincent of Beauvais1
- Walter of Châtillon1
- Wernigerode1
- William Lee1
- William Normanton1
- William de Blois1