Subject: Canon Law
Title: Treatise on canon law
 
    
Subject: Medicine
Title: Medicine
 
    
Subject: Theology
Title: Scholastic theology
 
    
Subject: Canon Law
Author of work: Gratianus
Title: Decretum Gratiani
 
    
    
Subject: Liturgy
Title: Graduale
 
    
Subject: Philosophy
Title: Questions on natural philosophy
 
    
Subject: Liturgy
Title: Horae
 
    
Subject: Liturgy
Title: Psalterium
 
    
Subject: Medicine
Title: Medicine