 With his colleagues at Giessen he established the "Jahrbücher für Theologie und christliche Philosophie" (three yearly series in seven volumes, Frankfort am Main, 1834–35; Mainz, 1836).And in conjunction with his colleagues at Freiburg he established the "Zeitschrift für Theologie" (21 volumes, Freiburg im Breisgau, 1839–49).Both periodicals came into existence greatly through his efforts and attained high scholarly reputation through his contributions.