Subject: Philosophy
Author of work: Aegidius Romanus
Title: De regimine principum
Subject: Philosophy
Author of work: Aegidius Romanus
Title: De regimine principum
Subject: Philosophy
Author of work: Aegidius Romanus
Title: De regimine principum
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Theology
Author of work: Gregorius I
Title: Dialogi
Subject: Law
Title: Registrum brevium
Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Civil Law
Title: Liber feudorum: 'Constitutiones frederici imperatoris cum glosis nouissimis'
Subject: Biblica
Title: Ecclesiastes, glossed; Threni, glossed
Subject: Biblica
Title: Prophetae minores, glossed