Subject: Philosophy
Author of work: Aegidius Romanus
Title: De regimine principum
Subject: Canon Law
Title: Commentary on Decretals
Subject: Canon Law
Title: Commentary on Decretals
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Pastoralia
Author of work: Hugo de S. Victore
Title: De sacramentis
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
Subject: Canon Law
Author of work: Ivo Carnotensis
Title: Decretum
Subject: Pastoralia
Author of work: Hugo de S. Victore
Title: De sacramentis