Author
- Eastern Orthodox Church1
- Edmund de Dronfeld1
- Eugene IV1
- Evrart de Trémaugon1
- Franciscans1
- General council of Guelfs1
- Giacomo Vallaresso1
- Giovan Battista Bracciolini1
- Giovanni Piccolomini1
- Gregorio Dati1
- Gregory I1
- Guillaume de Lanicia1
- Hugh of Saint Victor1
- Ildibrandinus1
- Innocent III1
- Isidore of Seville1
- Ivo of Chartres1
- Jacobus de Voragine1
- Jacopo Piccolomini-Ammannati1
- Jean Dupin1