Subject: Science
Author of work: Alhasen
Title: Optica
Subject: Philosophy
Author of work: Aristoteles
Title: Analytica posteriora
Subject: Philosophy
Author of work: Thomas Aquinas
Title: Commentarium in Ethica Aristotelis
Subject: Common law
Author of work: Henricus Bracton
Title: De legibus Angliae
Subject: Monastica
Title: Process of election of Abbot Whethamstede, a.d. 1420