 The works dealing with the Old Testament included Commentary on Samuel , Commentary on Genesis , Commentaries on Ezra and Nehemiah , On the Temple , On the Tabernacle , Commentaries on Tobit , Commentaries on Proverbs , Commentaries on the Song of Songs , Commentaries on the Canticle of Habakkuk , The works on Ezra , the Tabernacle and the Temple were especially influenced by Gregory the Great 's writings . 
