 In 1828 with Carl Christian Ullmann (1796-1865), he became co-editor of the journal "Theologischen Studien und Kritiken" (Theological studies and discussions).Umbreit published a scholarly translation/commentary on the Book of Job, as well as a commentary on the Book of Proverbs.His best known publication was a masterful four-volume exegetical work on the prophets of the Old Testament titled "Praktischer Commentar über die Propheten des alten Bundes" (1841–46).