Thirty-one works are extant, together with fragments of more. Some fifteen works in Latin or Greek are lost, some as recently as the 9th century (De Paradiso, De superstitione saeculi, De carne et anima were all extant in the now damaged Codex Agobardinus in 814 AD). Tertullian's writings cover the whole theological field of the time—apologetics against paganism and Judaism, polemics, polity, discipline, and morals, or the whole reorganization of human life on a Christian basis; they gave a picture of the religious life and thought of the time which is of the greatest interest to the church Historian.