Tolong jelaskan mengenai Decretum Gelasianum: in English. dari Decretum Gelasianum

Review of Ernst von Dobschütz, Das Decretum Gelasianum de libris recipiendis et non recipiendis in kritischem Text Leipzig, 1912: F. C. Burkitt in Journal of Theological Studies 14 (1913) pp. 469–471.