Subject: Canon Law
Author of work: Gregorius IX
Title: Decretales
Subject: Moral philosophy
Author of work: Poggius
Title: De infelicitate principum
Subject: Moral philosophy
Author of work: Poggius
Title: De infelicitate principum
Subject: Moral philosophy
Author of work: Poggius
Title: De infelicitate principum
Subject: Moral philosophy
Author of work: Poggius
Title: De infelicitate principum