Subject: Music
Title: Conducti and other music
Subject: Science
Author of work: Alhasen
Title: Optica
Subject: Music
Title: Polyphonic music
Subject: Mathematics
Title: Mathematics
Subject: Science
Author of work: Alhasen
Title: Optica
Subject: Science
Author of work: Alhasen
Title: Optica
Subject: Science
Author of work: Alhasen
Title: Optica
Subject: Science
Author of work: Profatius Judaeus
Title: Canons on the new quadrant
Subject: Science
Author of work: Alhasen
Title: Optica
Subject: Sermons
Title: Sermons on the gospels