Gottfried Schiemann, "Syro-Roman law book", in Hubert Cancik and Helmuth Schneider (eds.), Brill's New Pauly, Vol. 14 (Brill, 2009). Retrieved 1 September 2018.
Gerhard Thür, "Syro‐Roman law book", in Roger S. Bagnall, Kai Brodersen, Craige B. Champion, Andrew Erskine and Sabine R. Huebner (eds.), The Encyclopedia of Ancient History (Wiley-Blackwell, 2013), pp. 6495–6496. Retrieved 1 September 2018.